## Enter Polygon Interior Angle Sum

How many sides does a polygon have:

with a sum of interior angles = 540.?

## Calculate sides

D = 180(n - 2)

## Divide each side by 180

## Add 2 to both sides:

n = D/180 - 2

## Solve for n when D = 540.

n = 540./180 + 2

n = 3 + 2

n = **5**

### How does the Polygon Side Calculator work?

Free Polygon Side Calculator - Determines the sides of a polygon given an interior angle sum.

This calculator has 1 input.

### What 1 formula is used for the Polygon Side Calculator?

### What 4 concepts are covered in the Polygon Side Calculator?

- angle
- the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
- 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
- sum
- the total amount resulting from the addition of two or more numbers, amounts, or items

### Example calculations for the Polygon Side Calculator

## Tags:

Add This Calculator To Your Website