A wire when bent in the form of a square encloses an area of 484cm².If the same wire is bent in the form of a circle,find the area of the circle
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Answer:
616 cm 2
Area of the square=484cm 2
∴ Side of the square = 484 =22cm
⇒ Perimeter of the square =4×22=88cm
∵ (Circumference of the circle) = (perimeter of the square)
⇒2πr=88
⇒2× 722 ×r=88
∴r= 2×2288×7 =14cm
∴ Area of the circle =πr 2 = 722×14×14cm2
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