Question

There are nine angles at a point One of them is 40' and all the other eight angles are equal.
What is the measure of each of those equal angles​

Answer 1

Answer:

it's a nonagon.

sum of all angles = 1260°

let angle = x

AtoQ

40°+8x=1260°

8x=1260°-40°

8x=1220°

x=1220°/8

x= 152.5°

hope it helps...