Question

Find the angle sum of the polygon which had 9 sides.​

Answer 1

Answer:

1260°

Step-by-step explanation:

Formula to find angle sum of any polygon = (n−2) × 180°, where n is number of side of polygon.

So, (n−2) × 180°

= (9-2) × 180°

= 7 × 180°

= 1260°