Question
A wire, when bent in the form of a square encloses an
area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by it?Solution
Area of Square =121. Side of wire (Square)=11 Length of wire =4×11=44cm ATQ- 2 π r =44 R =44×7 / (22×2) =7cm And now an area of circle = πr2 =22/7 ×7 ×7 =154=154 sq. cm
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