Question

2.
3.
radius o
cm, height 12 cm
Find the capacity in litres of a conical vessel with
o radius 7 cm, slant height 25 cm
(ii) height 12 cm, slant height 13 cm
The height of a cone is 15 cm. If its volume is 1570 cm', find the radius of the base.
If the volume of a right circular cone ofheight 9 cm is 48 cm, find the diameter of its
A conical pit of top diameter 3.5 mis 12 m deep. What is its capacity in kilolitres?
(Lise *= 3.14)
base
ag
d
The volume of a right circular cone is 9856 cm'. If the diameter of the base is 28 cm,
(u) slant height of the cone
find
e height of the cone
(a) curved surface area of the cone
7. A right triangle ABC with sides 5 em. 12 cm and 13 cm is revolved about the side 12 cm.
Find the volume of the solid so obtained.
& the triangle ABC in the Question above is revolved about the side 5 cm, then find
the volume of the sold 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.​

Answer 1

answer

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