345,511 views
43 votes
43 votes
Find the measure of each interior angle and each exterior angle of a regular 20-gon (a twenty-sided polygon).Measure of each interior angle =0х5?Measure of each exterior angle =ContinueContinue© 2021 McGraw-Hill Education. All Rights Reserved. Terms of USearch for anythingо方SDOLL

Find the measure of each interior angle and each exterior angle of a regular 20-gon-example-1
User KRoy
by
2.8k points

1 Answer

17 votes
17 votes

REmember that the sum of the interior angles in any polygon is equal to

S=180(n-2)

where

n is the number sides

In this problem

n=20 sides

so

S=180(20-2)

S=3,240 degrees

Divide by the number of sides to obtain the measure of each interior angle

3,240/20=162 degrees

To obtain the measure of exterior angle

180-162=18 degrees

therefore

answer is

Measure of each interior angle is 162 degrees

Measure of each exterior angle is 18 degrees

User Alasjo
by
3.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.