Decagon area = 9 ·

17 Jun 2024, 00:00

Decagon area = 9 Image to Crop

Enter Decagon Info Below

The area of an decagon is 9

Calculate side, perimeter

Calculate side:

A = 5/2s2√5 + 2√5

A = 2.5s2(3.0776835371753)

s2 =	2 x A
	5 x 3.0776835371753

s2 =	2 x 9
	5 x 3.0776835371753

s2 =	18
	15.388417685876

s2 = 1.1697109064385

s = √1.1697109064385

s = 1.0815317408373

Calculate Perimeter:

P = 10 x side

P = 10 x 1.0815317408373

P = 10.815317408373

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

A = 9
P = 10.815317408373
Sides (Edges) = 10
Faces = 1
Vertices = 10

You have 1 free calculations remaining

What is the Answer?

A = 9
P = 10.815317408373
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 edge

Decagon area = 9

The area of an decagon is 9 Calculate side, perimeter A = 5/2s25 + 25 A = 2.5s2(3.0776835371753) s2 = 1.1697109064385 s = 1.1697109064385 s = 1.0815317408373 P = 10 x side P = 10 x 1.0815317408373