A copper wire when bent in the form of square encloses an area of 121 cm (sq).If the same wire is bent in the form of circle,find the area of the circle.
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area of square is 121 cm^2
so each side must be 11 cm
then Perimeter of square is 44cm
by this we get 2*pi*r=44
get value of "r".then substitute it in pi*r^2 .
we get 154cm(sq)
so each side must be 11 cm
then Perimeter of square is 44cm
by this we get 2*pi*r=44
get value of "r".then substitute it in pi*r^2 .
we get 154cm(sq)
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