"A conical tent is 9m high and the radius of its base is 12m. (i) What is the cost of
Channel: Doubtnut
Date: 2020-07-05

"A conical tent is 9m high and the radius of its base is 12m.
 (i) What is the cost of the canvas required to make
  it, if a square metre canvas costs Rs. 10?
 (ii) How many persons can be accommodated in the tent,
  if each person requires 2 square metre on the ground and 15 m^3 of space to breath in?"