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Posted by 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 - , 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).

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