Question

Assume 1
7
(in) radius 3.5 cm, height 12
m. slant height 13 cm
the radius of the
1. Find the volume of the right circular cone with
(0 radius 6 cm, height 7 cm
2. Find the capacity in litres of a comical vessel with
(1) radius 7 cm, slant height 25 cm ( height 12 cm, slant
3. The height of a cone is 15 cm. Irits volume is 1570 cm' find
(User3.14)
le diameter of
4. If the volume of a right circular cone of height 9 cm is 48 cm
Once as
base.
hat is its capacity in kilolit
meter of the base is 28
Find the ne
value is no
by the st
same as
repeat
find
ved about the side 12cm
5. A conical pit of top diameter 3.5 m is 12 m deep. What is its capa
6. The volume of a right circular cone is 9856 cm'. If the diameter o
(1) height of the cone
(ii) slant height of the cone
(iii) curved surface area of the cone
7. A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved abow
Find the volume of the solid so obtained.
8. If the triangle ABC in the Question 7 above is revolved about the side se
the volume of the solid so obtained. Find also the ratio of the volume
solids obtained in Questions 7 and 8.
side 5 cm, then fin
volumes of the
volun
that
y
m and height is 3 m
it from rain. Find the
9. A heap of wheat is in the form of a cone whose diameter is 10.5 m and bei
Find its volume. The heap is to be covered by canvas to protect it from rain
area of the canvas required.​

Answer 1

Answer:

1. 1/3×π×r²h

=1/3×22/7×(3.5)²×13

=166.833