Calculate the height of the cone and the surface area of the buoy.

A buoy is made in the form of a hemisphere surmounted by a right cone whose circular base coincides with the plane surface of the hemisphere. The radius of the base of the cone is 3.5 metres and its volume is \\ \frac { 2 }{ 3 } of the hemisphere. Calculate the height of the cone and the surface area of the buoy correct to 2 places of decimal

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 17 Mensuration Ex 17.4

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 17 Mensuration Ex 17.4

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