Find the measure of each interior angle and each exterior angle of a regular 20-gon (a twenty-sided polygon).Measure of each int
erior angle =Х5?Measure of each exterior angle =ContinueContinue© 2021 McGraw-Hill Education. All Rights ReservedSearch for anythingRIoR
1 answer:
Given a regular 20-gon ( a 20 sided polygon )
The measure of each interior angle will be given by:

where n is the number of sides
Substitute with n = 20
So, the measure of each interior angle =

The sum of exterior angles = 360
So, the measure of each exterior angle = 360/20 = 18
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