Enter nonagon info:


The area of a nonagon is 9

Calculate side, perimeter

Calculate side:

A = 9/4s2cot(180°/9)

s2  =  4A
  9cot(180°/9)
s2  =  4 x 9
  9cot(20)
s2  =  36
  9 x 2.7474774228644
s2  =  36
  24.727296805779

s2 = 1.455880935258

s = √1.455880935258

s = 1.2065989123391

Calculate Perimeter:

P = 9 x side

P = 9 x 1.2065989123391

P = 10.859390211052

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

A = 9s = 1.2065989123391P = 10.859390211052Interior Angle sum = 1260°Diagonals = 271 vertex Diagonals = 6Triangles = 7Sides (Edges) = 9Faces = 1Vertices = 9


What is the Answer?

A = 9s = 1.2065989123391P = 10.859390211052Interior Angle sum = 1260°Diagonals = 271 vertex Diagonals = 6Triangles = 7Sides (Edges) = 9Faces = 1Vertices = 9

How does the Nonagon Calculator work?

Free Nonagon Calculator - Calculates the side, perimeter, and area of a nonagonThis calculator has 1 input.

What 1 formula is used for the Nonagon Calculator?

What 5 concepts are covered in the Nonagon Calculator?

area
Number of square units covering the shape
nonagon
9 sided polygon or 9-gon
perimeter
The distance around a shape or object
polygon
A plane figure bounded by a set of straight lines
side
line segment joining two vertices in a polygon also known as an edge

Example calculations for the Nonagon Calculator

Tags:

Add This Calculator To Your Website