Area of a circle is 25 cm 2 . What will be the length of one side of the square that can be draw using the circumference of the circle?

Let r be the radius of the circle.Area of circle = 25 cm2πr2 = 25r2 = 25πr = 5π cmCircumference = 2πr = 2×π×5π = 10π cmPerimeter of square = 10π cmlength of one side of square = Perimeter of square4 = 10π4 = 2.5π cm

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