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A right circular cone is 3.6 cm high and...

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

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The correct Answer is:
6.4 cm
`(1)/(3) pi xx 1.6 xx 1.6 xx 3.6 = (1)/(3) pi xx 1.2 xx 1.2 xx h`. Find h
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RS AGGARWAL-VOLUME AND SURFACE AREA OF SOLIDS-Exercise 15C
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  13. Two cones have their heights in the ratio 1 : 3 and the radii of their...

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  14. A cylinder and a cone have equal radii of their bases and equal hei...

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