Question

A. (100 - 25pie sign) sq in.

B. 75 pie sign sq in.

C. (100 - 12.5pie sign) sq in.

D. 87.5 pie sign sq in.

Answer 1

The 4 querter circles make one whole circle so their area = pi 5^2 = 25 pi
The area of the square = 10*10 = 100

So area of shaded part = (100 - 25pi) sq in.

Answer 2

its D. 87.5 pie sign sq in.