Question

Solve for x in the diagram. A. 25 B. 14 C. 15 D. 37

Answer 1

15 is the answer. just took penn foster test and got it right.

Answer 2

a*2 +b*2=x*2
9*2 +12*2=x*2
81+144=x*2
225=x*2
now square root them
x=15