Question

In the adjoining figure ,find the sum ...............................angles of the pentagon​

Answer 1

Answer:

by angle sum property

sum of angle of triangle 1 = 180

sum of angle of triangle 2 = 180

sum of angle of triangle 3 = 180

adding all three triangle

Δ 1 + Δ 2 + Δ 3 = 180 +180+180

pentagon ABCDE = 540

sum of pentagon ABCDE is 540