Answer:
70 in^2.
Step-by-step explanation:
The area of the whole shape = 5 * 14 = 70 in^2.
IF YOUR SOLVING FOR A THE ANSWER WOULD BE A=X+12
IF YOUR SOLVING FOR X IT WOULD BE X=-12+A
Multiply 3 & 70 and divide by the answer of 6'1 6'4 you multiply them then your answer