A satellite has solar panels shaped as regular polygons with 9 sides. What is the total of all internal angles?
Show answer & explanation
Correct answer: D
Explanation
Given:
Number of sides (n) = 9
By the formula:
Sum of interior angles = (n − 2) × 180°
= (9 − 2) × 180
= 7 × 180
= 1260°