90 If the height- curved surface area and the volume of a cone are - h - c - and - - respectively- then - 3 pi u h - - 3 - - c - - 2 - h - - 2 - - 9 - - 2 - - will be equal to - - a - - - - c - operatorname - ch - - - - b - - - - d - quad - - 2 - h -

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Toppr Admin · Accepted Answer

90 If the height, curved surface area and the volume of a cone are \( h , c \) and \( v \) respectively, then \( 3 \pi u h ^ { 3 } - c ^ { 2 } h ^ { 2 } + 9 v ^ { 2 } \) will be equal to \( ( a ) \) \( ( c ) \operatorname { ch } v \) \( ( b ) \) \( ( d ) \quad v ^ { 2 } h \)