Posted by Kaylie on Thursday, July 5, 2012 at 2:15pm.
A cube with a volume of 216 cm3 is cut down to a pyramid with the same size base and the same height as the original cube. What is the volume of the pyramid?
A.108 cm3
B.94 cm3
C.72 cm3
D.52 cm3

Math  Chip, Thursday, July 5, 2012 at 2:20pm
A cube with volume 216 has sides of length 6cm.
The volume of a pyramid is (1/3)*A*h (where A is the area of the base and h is the height of the pyramid).
Therefore, the volume is (1/3)*6*6*6 = 72 cm^3 (answer C).