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The height of a solid cone is 12cm and t...

The height of a solid cone is 12cm and the area of the circular base is `64pi cm^2`.A plane parallel to the base of the cone cuts through the cone 9cm above the vertex of the cone ,the area of the base of the new cone so formed is a)`9picm^2` b)` 16picm^2` c)`25picm^2` d)`36picm^2`

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RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER CONE-All Questions
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