if A wire of 440 m length is molded in the form of circle and a square turn by turn,find the ratio of the area of the circle to that of square.
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dakshThedon:
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Answer:
the wire is 440m in length
thus perimeter of both figures will be 440
now perimeter of circle is 2*pi*r
thus 2*22/7*r=440
thus r=440*7/22*2=r=70m
area of a circle is pi*r*r
thus 22/7*70*70=15400msq
next perimeter of square is 440m=4*side
thenside=110m
area=side*side=110*110=12100msq
now ratio is 15400/12100
=14:11
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