[" 12.The dome of a building is in the form of a hemisphere of radius "63dm" .Find the cost "],[" painting it at the rate of "₹2" per "sa" ."m" ."]

The dome of a building is in the form of a hemisphere.Its radius is 63dm. Find the cost of painting it at the rate of Rs.2 per sq.m.

The dome of a building is in the form of a hemisphere. Its radius is 63dm. Find the cost of painting it at the rate of Rs. 2 per sq.m.

The dome of a building is in the form of a hemisphere. Its radius is 63m. Find the cost of painting it at the rate of Rs. 2 per sq.m.

The dome of a building is in the form of a hemisphere. Its radius is 63 dm. Find the cost of tin-plating it on the inside at the rate of Rs. 2 per 100cm^2 .

A inner curved surface area of a hemispherical dome of a building needs to be painted. If the circumference of the base is 17.6m, find the cost of painting it at the rate of Rs 5 per sq.m.

The hemispherical dome of a building needs to be painted. If the circumference of the base of dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs.5 Per 100 cm ^(2)

The diameter of a hollow hemispherical lid is 7 m. Find the cost of painting outer surfaces of 10 such lids at the rate of Rs. 20 per m^(2) .

A dome of a building is in the form of a hemisphere. From inside, it was white ¬ washed at the cost of Rs 498.96. If the cost of white-washing is at the rate of Rs 2.00 per square metre, find the inner surface area of the dome.

A dome of a building is in the form of a hemisphere. From inside, it was white ¬ washed at the cost of Rs 498.96. If the cost of white-washing is at the rate of Rs 2.00 per square metre, find the volume of the air inside the dome.

A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs 498.96. If the cost of white-washing is Rs 2.00 per sq. m. Find the : (i) inside surface area of the dome (ii) volume of the air inside the dome.