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Standard XII
Maths
Question
A rectangle of sides
5
c
m
and
7
c
m
are rotated along the side
7
c
m
Find the volume of solid so obtained.
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Solution
Verified by Toppr
When the rectangle is rotated the so obtained solid is cylinder
With height
7
c
m
and radius
5
c
m
Volume of cylinder is
π
r
2
h
22
7
×
5
×
5
×
7
25
×
22
=
550
c
m
3
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