Find the sum of the interior angles of a heptagon. I think d

Question

A) 500°
B) 720°
C) 900°
D) 1,260°

Answer 1

Sum of interior angles of the regular polygon.

Sn = ( n - 2 ) ∙ 180°

n is the number of sides

A heptagon has 7 sides so:

n = 7

S7= ( n - 2 ) ∙ 180° = ( 7 - 2 ) ∙ 180° = 5 ∙ 180°= 900°