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If the radius of the base of a right cir...

If the radius of the base of a right circular cone is `3r` and its height is equal to the radius of the base, then its volume is (a) `1/3pir^3` (b)`2/3 pir^3` (c)`3pir^3` (d)`9pir^3`

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