A wire is in square shape of 10.5 cm each.the se wire is bent in the form of circle find it's radius
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Answer:
Perimeter of square wire=10.5*4=42 cm
therefore cicumference of circle=42 cm
∴ 2 π r=42
44/7 *r=42
r=42*7 / 44
r=6.68 cm
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