Answer the following questions
1. How many meters of cloth 5m wide will be required to make a conical tent , the radius of whose base is 7m and whose height is 24m ?
2. Total surface area of a cone is (770cm)². If the slant height of cone is 4 times the radius of its base, then find the diameters of the base.
3. A semicircular sheet of metal of diameter 28cm is bent to form a conical cup. Find slant height of the cup.
4. How many balls each of radius 2 cm can be made by melting a big ball whose radius is 8 cm ?
5. If the radius and slant height of a cone are in the ratio 7: 13 and its curved surface area is 286 cm}², then find its radius