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Byju's Answer
Standard IX
Mathematics
Volume of Hemisphere
Area of the b...
Question
Area of the base of a solid hemisphere is 36
π
c
m
2
. Then its volume is :
A
288
π
c
m
3
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B
108
π
c
m
3
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C
144
π
c
m
3
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D
72
π
c
m
3
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Solution
The correct option is
C
144
π
c
m
3
Let the radius of the hemisphere be
′
r
′
cm.
Area of base
=
36
π
c
m
2
⇒
π
r
2
=
36
π
⇒
r
2
=
36
⇒
r
=
6
c
m
∴
Volume of hemisphere
=
2
3
π
r
3
=
2
3
×
π
×
6
×
6
×
6
=
144
π
c
m
3
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