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Byju's Answer
Standard VII
Mathematics
Circumference of a Circle
The inner cir...
Question
The inner circumference of a circular track is
264
m
and the width of the track is
7
m
. Find :
the radius of the inner track.
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Solution
Let
r
be the radius of inner track.
Inner circumference of track
=
2
π
r
=
264
m
(
Given
)
⇒
2
×
22
7
×
r
=
264
⇒
r
=
264
×
7
2
×
22
⇒
r
=
42
m
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