A car has two wipers which do not overlap. Each wiper has a blade of length 21 cm sweeping through and angle `120^@`. Find the total area cleaned at each sweep of the blades.
`(take pi = 22/7)`

A car has two wipers which do not overlap. Each wiper has a blade of length 21 cm, sweeping through an angle of 120^(@) . Find the total area cleaned at each sweep of the blades.

A car has two wipers which do not overlap. Each wiper has a blade of length 25cm sweeping through an angle of 115^(@). Find the total area cleaned at each sweep of the blades.

A car has two wipers which do not overlap. Each wiper has a blade of length 25cm sweeping through an angle of 115o. Find the total area cleaned at each sweep of the blades.

A car has two wipers which do not overlap. Each wiper has a blade of length 18 cm sweeping through an angle of 126^@ . Find the total area cleaned at each sweep of the baldes. 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 cylindrical vessel,open at the top,has a radius 10cm and height 14cm. Find the total surface area of the vessel.(Take pi =3.14)

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 ).

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 )

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)