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Volume of Frustum

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The figure below is that of a frustum (truncated cone), whose top (circular) base is parallel to the bottom base.

If the radii of the top and bottom bases of the frustum are 4 cm and 6 cm, respectively, and the height is 12 cm, what is the volume of the frustum, in cubic centimeters?

A

$ 224\pi $

B

$ 304\pi $

C

$ 312\pi $

D

$ 672\pi $

E

$ 912\pi $