Correct Answer - Option 1 : 8
Given:
The sum of all interior angles of a polygon is 1080°.
Formula used:
Sum of interior angles of a regular polygon of side 'n' = (n - 2) × 180°
Calculation:
Let the number of sides be n
(n - 2) × 180 = 1080
⇒ n - 2 = 6
⇒ n = 8
∴ The number of sides is 8