Decagon perimeter = 11
Enter Decagon Info Below
The perimeter of an decagon is 11
Calculate side, area
Calculate side:
| s = | P |
| 10 |
| s = | 11 |
| 10 |
s = 1.1
Calculate Area:
A = 5/2s2√5 + 2√5
A = 2.5(1.1)2(3.0776835371753)
A = 2.5(1.21)(3.0776835371753)
A = 9.3099926999551
Calculate Sum of the Interior Angles:
Interior Angle Sum = (sides - 2) x 180°
Interior Angle Sum = (10 - 2) x 180°
Interior Angle Sum = 8 x 180°
Interior Angle sum = 1440°
Calculate decagon diagonals
| Diagonals = | n(n - 3) |
| 2 |
| Diagonals = | 10(10 - 3) |
| 2 |
| Diagonals = | 10(7) |
| 2 |
| Diagonals = | 70 |
| 2 |
Diagonals = 35
Calculate diagonals from 1 vertex:
1 vertex Diagonals = n - 3
1 vertex Diagonals = 10 - 3
1 vertex Diagonals = 7
Calculate number of Δ from 1 vertex:
Triangles = N - 2
Triangles = 10 - 2
Triangles = 8
Other Properties:
Sides (Edges) = 10
Faces = 1
Vertices = 10
P = 11
A = 9.3099926999551
Sides (Edges) = 10
Faces = 1
Vertices = 10
You have 1 free calculations remaining
What is the Answer?
P = 11
A = 9.3099926999551
Sides (Edges) = 10
Faces = 1
Vertices = 10
How does the Decagon Calculator work?
Free Decagon Calculator - Solves for the side, perimeter, and area of a decagon.
This calculator has 1 input.
What 1 formula is used for the Decagon Calculator?
What 4 concepts are covered in the Decagon Calculator?
areaNumber of square units covering the shapedecagon10 sided polygon or 10-gonperimeterThe distance around a shape or objectsideline segment joining two vertices in a polygon also known as an edgeExample calculations for the Decagon Calculator
Decagon Calculator Video
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