Volume of a cone
V = 1/3 *pi* r^2 *h
we know the diameter d=22
the radius r = 1/2 d = 1/2 (22) = 11
substitute in
V = 1/3 * pi * 11^2 * 22
V = 1/3 * pi * 121 * 22
V = 2662/3 * pi
pi is approximately 3.14
V =2787.639882 yd^3
Rounding
V = 2787.64 yd^3
Choice B
