Answer:
9 sides
Step-by-step explanation:
Given the sum of the interior angles = 1260°, then
180° (n - 2) = 1260 ( divide both sides by 180 )
n - 2 = 7 ( add 2 to both sides ), hence
n = 9
Answer:
9 sides.
Step-by-step explanation:
1260 = 180(n - 2) Divide both sides by 180:
7 = n - 2
n = 7 + 2 = 9.