Question

please answer this ​

Answer 1

Step-by-step explanation:

1. 360/9 = 40°

2. Because it is a regular nonagan. So the sides are obviously equal.

3.b=160°

4.as the triangle is isosceles. a+b+b=360 . Solve it.

any doubts message me

Answer 2

Answer:

we have to do frist contractions then we solve but I solve tommaro on word .... I will. answer really .. OK don't worry.... ... it's take a time..... sorry .........

Step-by-step explanation: