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Standard IX
Mathematics
Volume of a right circular cone
Question
Volume of the cone
=
π
r
l
1
3
π
r
2
h
π
r
(
r
+
l
)
π
r
h
A
π
r
h
B
π
r
l
C
π
r
(
r
+
l
)
D
1
3
π
r
2
h
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Solution
Verified by Toppr
The volume of the cone with radius
r
and height
h
is given by
V
=
1
3
π
r
2
h
Option
D
is correct
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1
Similar Questions
Q1
Total surface area of a right circular cone
=
π
r
(
r
+
l
)
View Solution
Q2
Using the method of integration, show that the volume of a right circular cone of base radius
r
and height
h
is
V
=
1
3
π
r
2
h
.
View Solution
Q3
CSA of cone of radius 'r', height 'h' and slant height 'l' is
π
rl
.
View Solution
Q4
The total surface area of a cone whose radius is
r
2
and slant height 2l is
(a)
2
π
r
(
l
+
r
)
(b)
π
r
l
+
r
4
(c)
πr
(
l
+
r
)
(d)
2
π
r
l
View Solution
Q5
The curved surface area of the cone is
π
r
l
,
then the total surface area of the cone is:
View Solution