A toy is in the form of a cone mounted on a hemisphere of radius 3.5 cm. The total height of the toy is 15.5 cm. Find the total surface area and volume of the toy.

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Saturday, 28 November 2020 08:35 AM

Total surface area of toy   Curved surface area of cone   surface area of hemisphere

Curved  surface area of cone  
Where , Height 

And hence,        (by using formula )

Therefore C.S.A. of cone 

Surface area of hemisphere 

Hence T.S.A of toy