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EXERCISE 13.7, , 22 7, Assume 1 = 7 unless stated otherwise., , Find the volume of the right circular cone with, (radius 6 cm, height 7m (ii) radius 3.5 cm, height 12 em, , Find the capacity in litres of a conical vessel with, , (radius 7 cm, slant height 25 em (ii) height 12.cm, slant height 13 em, , The height of a cone is 15 cm. If its volume is 1570 cm’, find the radius of the base., (Use n= 3.14), , Ifthe volume of a right circular cone of height 9 cm is 48 cm’, find the diameter of its, base., , A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres?, The volume of a right circular cone is 9856 cm’. If the diameter of the base is 28 cm,, find, , (height of the cone (ii) slant height of the cone, , ii) curved surface area of the cone, , , , Aright triangle ABC with sides 5 cm, 12 mand 13 cmis revolved about the side 12 cm., Find the volume of the solid so obtained., , , , Ifthe triangle ABC in the Question 7 above is revolved about the side 5 cm, then find, the volume of the solid so obtained, Find also the ratio of the volumes of the two, solids obtained in Questions 7 and 8., , A heap of wheat is in the form of a cone whose diameter is 10.5 m and height is 3 m., Find its volume. The heap is to be covered by canvas to protect it from rain, Find the, area of the canvas required.