A hemispherical dome of a building needs to be painted (see Fig. 13.21). If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs 5 per 100 `c m^2`

A hemispherical dome of a building needs to be painted (see Fig.13.21). If the circumference of the base of the dome is 17.6m, find the cost of painting it,given the cost of painting is Rs 5 per 100

The cost of painting the given sign board at the rate of 9 paise per cm^(2) is

A door of dimensions 3m xx2m is on the wall of dimension 10m xx10m* Find the cost of painting the wall if rate of painting is Rs 2.50 per sq*m .

A wooden toy is in the form of a cone surmounted on a hemisphere. The diameter of the base of the cone is 16cm and its height is 15cm. Find the cost of painting the toy at R s .7\ p e r\ 100\ c m^2dot

10 cylindrical pillars of a building have to be painted. The diameter of each pillar is 70cm and the height is 4m. What is the cost of painting at the rate of Rs 5 per square metre

A wooden toy is in the form of a cone surmounted on a hemisphere.The diameter of the base of the cone is 5cm and its height is 4cm. Find the cost of painting the toy at the rate of Rs.5 per 1000cm^(2) .

The side of a triangle shaped sheet are 5cm, 12cm and 13cm. Find the cost of painting on the sheet at the rate of Rs 30 per cm sq.

A toy is in the form of a cylinder with hemispherical ends. If the whole length of the toy is 90 cm and its diameter is 42 cm , find the cost of painting the toy at the rate of 70 paise per sq m .

A bus stop is barricaded from the remaining part of the road, by using 50 hollow cones made of recycled card-board. Each cone has a base diameter of 40cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 12 per m^2 , what will be the cost of painting all these cones (U s epi=3. 14a n dsqrt(1. 04)=1. 02))

A bus stop is barricated from the remaining part of the road by using 50 hollow cones made of recycled cardboard. Each one has a base diameter of 40 cm and height 1m. If the outer side of each of the cones is to be painted and the cost of painting is Rs 25 per m^(2) , what will be the cost of painting all these cone ? (Use pi = 3.14 and sqrt(1.04) = 1.02 )