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Byju's Answer
Standard VII
Mathematics
Area of a Circle
A wire is ben...
Question
A wire is bent into the form of a square of side
27.5
c
m
. The wire is straightened and bent into the form of a circle. What will be the radius of the circle so formed
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Solution
The perimeter of square
=
length of wire
⇒
length of wire
=
4
×
27.5
=
110
cm
Now, a circumference of circle
=
length of wire
⇒
2
π
r
=
110
c
m
⇒
r
=
110
×
7
44
=
17.5
c
m
Radius of circle
=
17.5
cm
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