Question

What is the sum of all interior angles of a convex polygon with seven sides ?

Answer 1

Here number of sides (n) = 7
Sum of all interior angles of convex polygon = (n – 2) ${180}^{\circ }$
= (7 – 2) ${180}^{\circ }$
= 5 $\times {180}^{\circ }$
= 900