Two circles touch each other externally. The distance between the cent – InterviewSolution

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1.	Two circles touch each other externally. The distance between the centres of the circles is 14 cm and the sum of their areas is 308 `cm^(2)`. Find the difference between radii of the circles. (in cm)A. 1B. 2C. 0D. 0.5
Answer» Correct Answer - D Use `(a+b)^(2)=a^(2)+b^(2)+2ab and a-b=sqrt((a+b)^(2)-4ab).`

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