circumferenceratesuerter1d thediameter 7 m.-of a circle whose area is – InterviewSolution

1.	circumferenceratesuerter1d thediameter 7 m.-of a circle whose area is 16 times the area of the cirele with
Answer» R of circle whose d is 7cm = 7/2 cm.Area of circle = 7×7×22÷7×2×2 = 77/2 cm^2.Area of 2nd circle = 77×16÷2 = 616 cm^2.pi R^2 = 616 cm^2R^2 = 616 ×7÷22 = 28×7 = 196R = 14 cmCircumference = 2 pi R = 2×14×22÷7 = 88cm

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