On a rectangular metal sheet of area $135$ sq in, a circle is painted such that the circle touches two opposite sides. If the area of the sheet left unpainted is two$-$thirds of the painted area then the perimeter of the rectangle in inches is $5\sqrt{\pi }\left ( 3+\frac{9}{\pi} \right )$ ... $3\sqrt{\pi }\left ( 5+\frac{12}{\pi} \right )$ $4\sqrt{\pi }\left ( 3+\frac{9}{\pi} \right )$
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Sep 16, 2021
in Quantitative Aptitude
soujanyareddy13
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