A toy is in the form of a cone of radius 3.5cm mounted on a hemisphere of same radius.

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asked Feb 8, 2018 in Mathematics by Kundan kumar (49,132 points) 34 381 1016

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

1 Answer

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answered Feb 8, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
Best answer

We have,
CD=15.5cm and OB =OD =3.5cm Let r be the radius of the base of cone and h be the height of the conical part of the toy.

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