Question

This is from a practice test online

Answer 1

I believe the answer is B. (Correct me if im wrong)

Answer 2

Answer:

$17cm^2$

Step-by-step explanation:

The grey shaded area in the region is s.

$s=8\times8\times\frac{1}{2} -3\times5=17cm^2$

Quite, too simple.