Question

Directions: Find the interior angle sum for each regular polygon. Round your answer to the nearest tenth if necessary.

This polygon's angles measure
???
degrees.

Answer 1

below

Explanation:

The SUM of a n-gon 's interior angles formula is :

SUM = ( n-2) * 180 n = 7 for this figure ( 7 angles)

(7-2) * 180 = 900 degrees

EACH angle in this REGULAR polygon is then 900 / 7 = 128.57°