Question

Please help!!

What is the sum of the measures of the angles of a 25-gon?

4,140º

25º

360º

2,500º

Answer 1

4140°

Explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 25 , then

sum = 180° × 23 = 4140°