Question

Find the volume of a sphere whose surface area is 154 cm?.
3. A dome of a building is in the form of a hemisphere. From inside, it was white-washed
at the cost of *498.96. If the cost of white-washing is * 2.00 per square metre, find the
F (1) inside surface area of the dome, (ii). volume of the air inside the dome.
​

Answer 1

Answer:

Given:

Cost of white washing dome =498.96

Cost of white washing 1m

2

area = Rs.2

(

=