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A toy is in the form a cone mounted on a hemisphere of diameter 7 cm. The total height of the toy is 14.5 cm. Find the volume of the toy. 

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A toy is in the form a cone mounted on a hemisphere of diameter 7 cm. The total height of the toy is 14.5 cm. Find the volume of the toy. 

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Given: Diameter of a hemisphere = 7cm

So, Radius = 7/2 = 3.5 cm

Height of the cone, h = 143-.5 – 3.5 = 11cm

The volume of a toy = Volume of cone + Volume of a hemisphere

= 231cm3

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