13. What is the volume, in cubic inches, of a cylinder that has a diameter of 16 inches and a height of 25 inches?
(Note: The volume, V, of a cylinder with radius r and height h is given by V = πr²h.）
Your Answer is
Correct Answer is C
Explanation
r=16/2=8, put r=8 and h=25 into the formula to get C