Question

please help please Find the sum of the interior angles of the polygon shown above.

Answer 1

A 180°
B 360°
C 120°

Answer 2

@ganeshie8

Answer 3

sum of interior angle of triangle = 180
(known fact/ should be memorized)

if not, http://www.mathsisfun.com/geometry/interior-angles-polygons.html
sum = 180(n-2)

when n = number of sides
so 3 sides -> 180(3-2) = 180

Answer 4

thanks