Question

a right circular cone of height 30 centimetre a small cone is cut off on the top by a plane parallel to its base and the volume of the cone is 1/27 the volume of the given cone and find what height From base is a section made​

Answer 1

Given height of the cone = 30 cmLet the small cone is cut off at a height ‘h’ from the top Let the radius of big cone be r1 and small cone be r2. Volume of the big cone,    From the figure, ΔACD ~ ΔAOB [AA similarity criterion] Thus at a height 20 cm above the base a small cone is cut.

Answer 2

Answer:

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