Question

What is the angle some
of a convex palygon with
number of sides: (a) 7 (b) 9 ?​

Answer 1

Answer:

angle sum of interior angles of polygons = (n-2) 180 , where n is the number of sides.

(a) angle sum = (7 - 2)180 = 5*180 = 900°

(b) angle sum = (9 - 2)180 = 7*180 = 1260°