l Nonagon perimeter = 6

Enter a value and then press the button of what measurement you entered

    

Answer
P = 6
s = 0.66666666666667
A = 2.7474774228644
Interior Angle sum = 1260°
Diagonals = 27
1 vertex Diagonals = 6
Triangles = 7
Sides (Edges) = 9
Faces = 1
Vertices = 9

↓Steps Explained:↓



The Perimeter of a nonagon is 6

Calculate side, area

Calculate side:

s  =  P
  9

s  =  6
  9

s = 0.66666666666667

Calculate Area:

A = 9/4s2cot(180°/9)

A = 9/4(0.66666666666667)2cot(20)

A = 9/4(0.44444444444444)cot(20)

A = 1 x 2.7474774228644

A = 2.7474774228644

Calculate Sum of the Interior Angles:

Interior Angle Sum = (sides - 2) x 180°

Interior Angle Sum = (9 - 2) x 180°

Interior Angle Sum = 7 x 180°

Interior Angle sum = 1260°

Calculate polygon diagonals

Diagonals  =  n(n - 3)
  2

Diagonals  =  9(9 - 3)
  2

Diagonals  =  9(6)
  2

Diagonals  =  54
  2

Diagonals = 27

Calculate 1 vertex diagonals:

1 vertex Diagonals = n - 3

1 vertex Diagonals = 9 - 3

1 vertex Diagonals = 6

Calculate triangles from one vertex:

Triangles = N - 2

Triangles = 9 - 2

Triangles = 7

Other Properties:

Sides (Edges) = 9

Faces = 1

Vertices = 9

Final Answers

P = 6
s = 0.66666666666667
A = 2.7474774228644
Interior Angle sum = 1260°
Diagonals = 27
1 vertex Diagonals = 6
Triangles = 7
Sides (Edges) = 9
Faces = 1
Vertices = 9

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