Question

Pentagon ABCDE has the following angle measures:

∠A = 121∠B = 108∠C = 102∠D = 100∠E = x
What is the measure of ∠E ?

Answer 1

Answer: ∠E = 109°

Explanation:

The interior angles of a pentagon add up to 540°:

540 - 121 - 108 - 102 - 100 = 109

∠E = 109°

Hope this helps!