Question

A right circular cone is 3.6cm high and the radius of its base is 1.6cm. it is melted and recast into a right circular cone with radius of its base as 1.2cm. Find the height
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Answer 1

ans:6.4cm

beacouse

the volume of first is

equal to

the

volume of the second cone

then

We want to substantiate in the H.

then the

Answer is 6.4 cm