start with elimination. 8 x 8 is only 64 so C and D dont make sense. The are of the circle is pi(r)². so the radius is 4 squared then multiply by pi and devide by 5 to get the 5 equal parts. So B 10.
3.141562.... And it goes on and on and on
the correct answer would be 4 3/4
hope this helps!
lmk if you would like an explanation! :)
The answer is 9 because if you put those numbers in a life from smallest to biggest and take one off each side your left with 9