Question

Find the measure of each interior angle of a regular nonagon

Answer 1

Because the nonagon is regular, the angles are equal. Nona means nine. The total of the measures of the interior angles of any polygon is (n-2)180. Use this formula to find the measure of one interior angle.
(9-2)180
7*180=1260. Divide by 9 to get the measure of one angle.
1260/9=140

The answer is 140 :)

Answer 2

Answer: 140°

Step-by-step explanation: Work is provided in the image attached.