Question

What is the angle measure of angle E?

Answer 1

126°

Explanation:

m<D +m<E +m<F = 180°(sum of the interior angles of the triangle)

3x+18x+ 5x-2= 180°

26x= 180+2

26x= 182

x=182/26

x=7

So, m<E = 18x= 18(7) = 126°