PLEASE HELP ME!!I DONT GET IT

Answer:
Step-by-step explanation:
Radius = 8 in ( Given)
Area of shaded part:
Area of circle - Area of square
[tex](\pi \times {(8)}^{2} ) - ( \frac{16}{ \sqrt{2} } ) ^{2} [/tex]
[tex] = (3.14 \times 64) - \frac{256}{2} [/tex]
[tex] = 200.96 - 128[/tex][tex] = 72.96 \: {in}^{2} [/tex]
Hope this helps...
Good luck on your assignment