Question

the measure of each angle of a regular monagon​

Answer 1

NONAGON is a 9 sided polygon.

It's angle sum property says that :Sum of all the 9 /_'s is 1260°.

Since it's a regular nonagon so all the angles are equal.

Let the angle be A

So,

9A=1260

A=1260°/9

A=140°

Answer: All angles measure 140° each...

VERIFICATION OF THE ANSWER:

MULTIPLY 140 BY 9 IF U GET 1260..

THEN THE ANSWER IS RIGHT.....