A wire is in the form of a square is cut and bent in the form of circle. if thne area of the square is 110 cm square, what is the area of the circle
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Answer:
Area of squared wire =121cm
2
⇒s×s=121
⇒ side of square =11cm
Perimeter of square =4×s
=4×11=44cm=Circumference of circular wire
⇒2π×r=44
⇒r=
2π
44
⇒r=7cm
Now, Area of Circular wire =π×r
2
=
7
22
×7×7
=154cm
2
So, area of the wire when bent in circular shape is 154cm
2
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