# What is the measure of each interior angle of an 18 sided polygon?

##### 2 Answers

#### Answer

#### Answer:

#### Explanation

#### Explanation:

#### Answer:

The measure of each interior angle of an

#### Explanation:

First, start with the interior sum formula,

#(n - 2)*180^@#

The variable

#(18 - 2)*180^@ = 2880^@#

After you find the sum of the interior angles, just divide the sum by how many sides you have.

#2880^@/18 = 160^@#

#### Answer

#### Answer:

#### Explanation

#### Explanation:

Describe your changes (optional) 200

#### Answer:

#### Explanation:

An alternative method is to use the exterior angle.

the sum of the exterior angles is ALWAYS

So you can find the size of the exterior angles of a regular polygon quite easily:

If there are

The sum of the exterior and interior angles is

Describe your changes (optional) 200