Posted by Kaylie on Thursday, July 5, 2012 at 2:15pm.
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).
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