A copper wire when bent in the form of a square encloses an area of 121 CM square if the same wire is bent in the form of a circle then find the area of the circle
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area of square= 121cm
one side of square=√121=11
perimeter of square=11times4=44cm
circumference of circle is also 44cm.
44=2×(22÷7)×radius
44=(44÷7)×radius
radius=(44÷7)÷44
radius =7cm
area of circle=(22÷7)×7×7
area=154sq cm
one side of square=√121=11
perimeter of square=11times4=44cm
circumference of circle is also 44cm.
44=2×(22÷7)×radius
44=(44÷7)×radius
radius=(44÷7)÷44
radius =7cm
area of circle=(22÷7)×7×7
area=154sq cm
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