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A frustum of a right circular cone is of...

A frustum of a right circular cone is of height 16 cm with radii of its ends as 8 cm and 20 cm. Then, the voume of the frustum is

A

`3328 pi cm^3`

B

`3228 pi cm^3`

C

`3240 pi cm^3`

D

`3340 pi cm^3`

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