How many square metres of canvase is requierd for a conical tent whose height is 3.5 m and the radius of the base is 12 m?

Find the total surface area of a cone, if its slant height is 9 m and the diameter of its base is 12 m.

How many metres of cloth 5 m wide will be required to make a conical tent, the radius of whose base is 7 m and whose height is 24 m?

Find the height of the cylinder whose volume is 1.54 m^3 and diameter of the base is 140 cm ?

It is required to make from a sheet of metal a closed cylindrical tank whose height is 1 m and whose base radius is 70 cm. How many square metres of sheet metal is required ?

What length of tarpaulin 3 m wide will be required to make conical tent of height 8 m and base radius 6m? Assume that the extra length of material that will be required for stitching margins and wastage in cutting is approximately 20 cm (use pi = 3.14).

How many persons can be accommodated in the hall Whose length is 18 m and breadth is 14 m and height of the hall is 5 m assuming that 4.5 m^3 of air is required for 1 person.

A conical tent is 10 m high and the radius of its base is 24 m. The slant height of tent is :

A tent is of the shape of a right circular cylinder upto height of 3 metres and then becomes a right circular cone with maximum height of 13.5 metres above the ground. Calculate the cost of painting the inner side of the tent at the rate of Rs.2 per square metre, if the radius of the base is 14 metres.