Question

Find the size of one interior angle of a regular 10-sided polygon.

Answer 1

144

Explanation:

Exterior angle =
`(360)/(number \ of \ sides)`

`=(360)/(10)`

= 36

Interior angle and exterior angles are supplementary.

interior angle + exterior angle = 180

Interior angle + 36 = 180

Interior angle = 180 - 36

= 144