Question

what is the sum of all angels of a nonagn​

Answer 1

Question:-

What is the sum of all angels of a nonagon?

Answer:-

✍Each angle measures 140 °

Hence all angles sum will be 1260°

Hope this helps you _!!

Answer 2

Answer

Nonagon contains = 9 sides

Interior angle measure = (N - 2)180/N

Interior angle measure = 7 × 180 / 9 = 7 × 20

Interior angle measure = 140°

Sum of all angles = 140 × 9 = 1260°