A wire is in the form of a rectangle 18.7 cm long and 14.3 wide is reshaped into the form of a circle . Find the radius of the circle so formed.
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perimeter of rectangle = 2(18.7 + 14.3) = 2 * 33 = 66cm.So, circumference of circle = 66cm.Radii of the circle = 2*22/7*r = r = 7*66/2*22 = 10.5 cm
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