Question

8. A dome of a building is in the form of a hemisphere. From inside, it was white-washed
at the cost of 4989.60. If the cost of white-washing is * 20 per square metre, find the
(i) inside surface area of the dome, (ii) volume of the air inside the dome.
Tuventy seven solid iron spheres, each of radius r and surface area S are male​

Answer 1

Answer:

5000@£3525cidfi24-£2-954257