Enter nonagon info:
The perimeter of a nonagon is 8
Calculate side, area
Calculate side:
| s = | P |
| 9 |
| s = | 8 |
| 9 |
s = 0.88888888888889
Calculate Area:
A = 9/4s2cot(180°/9)
A = 9/4(0.88888888888889)2cot(20)
A = 9/4(0.79012345679012)cot(20)
A = 1.7777777777778 x 2.7474774228644
A = 4.8844043073145
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 = 8
s = 0.88888888888889
A = 4.8844043073145
Interior Angle sum = 1260°
Diagonals = 27
1 vertex Diagonals = 6
Triangles = 7
Sides (Edges) = 9
Faces = 1
Vertices = 9
You have 1 free calculations remaining
What is the Answer?
P = 8
s = 0.88888888888889
A = 4.8844043073145
Interior Angle sum = 1260°
Diagonals = 27
1 vertex Diagonals = 6
Triangles = 7
Sides (Edges) = 9
Faces = 1
Vertices = 9
How does the Nonagon Calculator work?
Free Nonagon Calculator - Calculates the side, perimeter, and area of a nonagon
This calculator has 1 input.
What 1 formula is used for the Nonagon Calculator?
What 5 concepts are covered in the Nonagon Calculator?
areaNumber of square units covering the shapenonagon9 sided polygon or 9-gonperimeterThe distance around a shape or objectpolygonA plane figure bounded by a set of straight linessideline segment joining two vertices in a polygon also known as an edgeExample calculations for the Nonagon Calculator
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