Question

find the measure of an interior angle of a regular decagon (10 sided polygon)

Answer 1

Answer:

1440°

Step-by-step explanation:

The sum of angles in a polygon is (n - 2)180 where n = number of sides.

A decagon has 10 sides, so n = 10

(10 - 2)180

8(180) = 1440°

Answer 2

Answer:

the answer is 144

Step-by-step explanation: