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                                    A right circular cone is made by cutting a cubical wooden block of side 9 cm each , then what will be the greatest volume of the cone ? | 
                            
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Answer» The length of each side of the cube = 9 cm i.e ., if the radius of the required cone r cm , then 2r = 9 `rArr r = 9/2` ` :.` height of the cone = 9 cm ` :.` colume of the cone `= 1/3 pir^(2)h ` cc ` 1/3 xx 22/7 xx (9/2)^(2) xx 9 ` cc ` = 2673/14` cc = 190 . 93 cc (approx.) Hence the greatest volume of the cone = 190.93 cc (approx)  | 
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