A wire is bent into the form of square of side 5cm . Again the wire is straightened and bent into the form of circle. What will be the radius and area of the circle so formed.
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l = 5 cm
perimeter = 4×5
= 20 cm
2πr = 20
r = 20 / 2π
r = 3.184 cm
Area = πr^2
= 31.83 cm^2
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I don’t no
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