What is the area of a circle whose radius is the diagonal of a square whose area is 4 cm square
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Area of the square-4cm2
side=2cm
diagonal=v2 a=2v2cm
radius of the circle=2v2cm
Area of the circle= πr^2 =
3.14 (2v2)^2 = 3.14x4x2 = 25.12cm
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