Question

a regular polygon has a sum of all its interior angles as 1260°. Find the size of each exterior angle of the polygon.

Answer 1

Step-by-step explanation:

I have attached the solution above hope it helps

Answer 2

Answer:

n = number of sides of regular polygon.

We know

Sum of all interior angles = (n - 2) × 180

1260 = (n - 2) × 180

7 = n - 2

n = 9

So, exterior angle = 360/n = 360/9 = 40°