The difference between the circumference and radius of a circle is 37 – InterviewSolution

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1.	The difference between the circumference and radius of a circle is 37 cm. Find the area of the circle.
Answer» Let `r` is the radius of circle. The difference between the circumference and radius of a circle is 37 cm. `:. 2pir-r = 37` `=>r(2pi-1) = 37` `=>r = 37/(2pi-1)` `=>r = (377)/(222-7) = 7cm` `:.` Area of circle`(A) = pir^2 = 22/777 = 154cm^2`

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