Question

If the measure of ZBEC is (2x+3)° and x = 30, which expression could represent the measure of ZAED?

A
В.
E
C

Answer 1

3x-27

Explanation:

<BEC=<AED

Substituting x=30 in the expression 2x+30

2x+3=2(30)+3=63

The expression 3X-27 is also

3(30)-27=63