Rasheed got a playing top (lattu) as his...

Rasheed got a playing top (lattu) as his birthday present,which surprisingly had no colour on it. He wanted to colour it with his crayons. The top is shaped like a cone surmounted by a hemisphere (see figure).

The entire top is 5 cm in height and the diameter of the top is 3.5 cm. Find the area he has to colour. (take`pi` = 22/7)

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The correct Answer is:

39.6 `cm^(2)` approx.

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Rasheed got a playing top (lattu) as his birthday present,which surprisingly had no colour on it.He wanted to colour it with his crayons.The top is shaped like a cone surmounted by a hemisphere.The entire top is 5cm in height and the diameter of the top is 3.5cm. Find the area he has to colour.

Rasheed got a playing top (lattu) as his birthday present, which surprisingly had no colour on it. He wanted to colour it with his crayons. The top is shaped like a cone surmounted by a hemisphere (see figure). The entire top is 5 cm in height and the diameter of the to is 3.5 cm. What will be the radius of hemispherical portion having diameter 3.5cm ?

A solid is in the shape of a cone surmounted on a hemi-sphere, the radius of each of them is being 3.5 cm and the total height of solid is 9.5 cm. Find the volume of the solid. (Use pi=22//7 )

A toy is in the form of a cone mounted a hemisphere of diameter 7 cm. the total height of the toy is 14.5 cm. find the volume and the total surface area of the toy. (Take pi=(22)/(7) ).

The base of the block is a cube of side 6 cm and the hemisphere fixed on the top has a diameter of 3.5 cm. Find the total surface area of the block. (use pi = (22)/(7) )

A decorative block shown in Fig. 16.50 is made of two solids a cube and a hemisphere. The base of the block is a cube with edge 5 cm, and the hemisphere fixed on the top has a diameter 4.2 cm. Find the total surface area of the block (Take pi=22//7 ).

Mayank made a bird-bath 30 cm for his garden in the shape of a cylinder with a hemispherical depression at one end (see figure). The height of the cylinder is 1.45 m and its radius is 30 cm. Find the total surface area of the bird-bath. (take pi = 22/7)

A shuttle cock used for playing badminton has the shape of a frustum of a cone mounted on a a hemisphere.The diameters of the ends of the frustum are 5cm and 2cm ; the height of the entire shuttle cock is 7cm. Find the external surface area.

In Figure , a decorative block, made up of two solids a cube and a hemisphere . The base of the block is a cube of side 6 cm and the hemisphere fixed on the top has a diameter of 3.5 cm .Find the total surface area of the block ( use pi = 22/7 )

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