Q. 25.0( 4 Votes )

A drinking glass is in the shape of a frustum of a cone of height 14cm. The diameters of its two circular ends are 4cm and 2cm. Find the capacity of the glass.

Answer :


Given: Height of frustum = 14cm


Diameter of 1st circular end = 4cm


So, radius (R) = 2cm


Diameter of 2nd circular end = 2cm


So, radius (r) = 1cm


Capacity of the glass = Volume of frustum






= 102.66 cm3


Hence, the volume of glass = 102.66cm3


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