Find the volume of a cone with a base diameter of 6in and a height of 9in. Use the value 3.14 for π, and do not do any rounding. Be sure to include the correct unit in your answer.
Volume of a cone = 1/3 pi r2 h
= 1/3 * 3.14 * 32 * 9 in3 ( note that radius = 1/2 d = 3)
= .................... in3