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A regular Nonadecagon where the length of each side is 2 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 2 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 38 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 2cot (Π/19))/4 = 113.86 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 2 x cot 9.47 = 11.98 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 2 x cosec 9.47 degrees = 12.15 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 3 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 3 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 57 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 3cot (Π/19))/4 = 256.18 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 3 x cot 9.47 = 17.97 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 3 x cosec 9.47 degrees = 18.22 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 4 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 4 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 76 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 4cot (Π/19))/4 = 455.44 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 4 x cot 9.47 = 23.97 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 4 x cosec 9.47 degrees = 24.3 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 5 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 5 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 95 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 5cot (Π/19))/4 = 711.62 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 5 x cot 9.47 = 29.96 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 5 x cosec 9.47 degrees = 30.37 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 6 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 6 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 114 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 6cot (Π/19))/4 = 1024.74 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 6 x cot 9.47 = 35.95 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 6 x cosec 9.47 degrees = 36.45 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 7 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 7 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 133 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 7cot (Π/19))/4 = 1394.79 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 7 x cot 9.47 = 41.94 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 7 x cosec 9.47 degrees = 42.52 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 8 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 8 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 152 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 8cot (Π/19))/4 = 1821.77 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 8 x cot 9.47 = 47.94 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 8 x cosec 9.47 degrees = 48.6 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 9 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 9 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 171 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 9cot (Π/19))/4 = 2305.68 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 9 x cot 9.47 = 53.93 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 9 x cosec 9.47 degrees = 54.67 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 10 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 10 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 190 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 10cot (Π/19))/4 = 2846.51 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 10 x cot 9.47 = 59.92 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 10 x cosec 9.47 degrees = 60.75 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 11 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 11 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 209 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 11cot (Π/19))/4 = 3444.28 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 11 x cot 9.47 = 65.91 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 11 x cosec 9.47 degrees = 66.83 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 12 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 12 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 228 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 12cot (Π/19))/4 = 4098.98 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 12 x cot 9.47 = 71.91 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 12 x cosec 9.47 degrees = 72.9 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 13 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 13 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 247 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 13cot (Π/19))/4 = 4810.61 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 13 x cot 9.47 = 77.9 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 13 x cosec 9.47 degrees = 78.98 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 14 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 14 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 266 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 14cot (Π/19))/4 = 5579.17 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 14 x cot 9.47 = 83.89 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 14 x cosec 9.47 degrees = 85.05 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 15 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 15 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 285 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 15cot (Π/19))/4 = 6404.66 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 15 x cot 9.47 = 89.89 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 15 x cosec 9.47 degrees = 91.13 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 16 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 16 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 304 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 16cot (Π/19))/4 = 7287.08 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 16 x cot 9.47 = 95.88 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 16 x cosec 9.47 degrees = 97.2 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 17 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 17 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 323 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 17cot (Π/19))/4 = 8226.43 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 17 x cot 9.47 = 101.87 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 17 x cosec 9.47 degrees = 103.28 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 18 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 18 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 342 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 18cot (Π/19))/4 = 9222.72 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 18 x cot 9.47 = 107.86 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 18 x cosec 9.47 degrees = 109.35 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 19 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 19 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 361 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 19cot (Π/19))/4 = 10275.93 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 19 x cot 9.47 = 113.86 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 19 x cosec 9.47 degrees = 115.43 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 20 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 20 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 380 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 20cot (Π/19))/4 = 11386.07 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 20 x cot 9.47 = 119.85 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 20 x cosec 9.47 degrees = 121.51 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 21 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 21 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 399 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 21cot (Π/19))/4 = 12553.14 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 21 x cot 9.47 = 125.84 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 21 x cosec 9.47 degrees = 127.58 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 22 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 22 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 418 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 22cot (Π/19))/4 = 13777.15 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 22 x cot 9.47 = 131.83 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 22 x cosec 9.47 degrees = 133.66 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 23 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 23 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 437 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 23cot (Π/19))/4 = 15058.08 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 23 x cot 9.47 = 137.83 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 23 x cosec 9.47 degrees = 139.73 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 24 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 24 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 456 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 24cot (Π/19))/4 = 16395.94 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 24 x cot 9.47 = 143.82 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 24 x cosec 9.47 degrees = 145.81 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 25 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 25 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 475 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 25cot (Π/19))/4 = 17790.74 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 25 x cot 9.47 = 149.81 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 25 x cosec 9.47 degrees = 151.88 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 26 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 26 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 494 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 26cot (Π/19))/4 = 19242.46 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 26 x cot 9.47 = 155.8 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 26 x cosec 9.47 degrees = 157.96 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 27 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 27 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 513 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 27cot (Π/19))/4 = 20751.12 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 27 x cot 9.47 = 161.8 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 27 x cosec 9.47 degrees = 164.03 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 28 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 28 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 532 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 28cot (Π/19))/4 = 22316.7 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 28 x cot 9.47 = 167.79 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 28 x cosec 9.47 degrees = 170.11 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 29 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 29 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 551 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 29cot (Π/19))/4 = 23939.22 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 29 x cot 9.47 = 173.78 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 29 x cosec 9.47 degrees = 176.19 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral. 




A regular Nonadecagon where the length of each side is 30 units. The units may either be inches or cm or km or miles: any unit of length.

You are given a Regular Polygon with 19 sides. What are the interior angles and exterior angles? 
If the length of each side is 30 units, what is the perimeter, area, circum-radius and in-radius of the polygon?

n = 19

Perimeter of a Nonadecagon = side x 19 = 570 units

Area of a Nonadecagon = (n x Sidecot (Π/n))/4 = (n x 30cot (Π/19))/4 = 25618.67 square units

Sum of the interior angles of a Nonadecagon = 
 (n-2) x 180 degrees =  (19-2) x 180 degrees = 3060 degrees

Interior Angle of a Nonadecagon = (n-2) x 180/n degrees = (19-2) x 180/19 degrees = 161.05 degrees 

Exterior angle of a Nonadecagon = 180 - Interior Angle = 180 - 161.05 = 18.94 degrees

Inradius = Radius of In-circle = side x cot (Π/19) = 30 x cot 9.47 = 179.78 units

Circumradius = Radius of Circum-circle = side x cosec (Π/19) = 30 x cosec 9.47 degrees = 182.26 units

Symmetry Group = D19  19 rotational symmetries and 19 reflection symmetries. The "D" stands for di-hedral.