4. From a rectangular sheet of paper of length 28cm and width 14 cm, t – InterviewSolution

1.	4. From a rectangular sheet of paper of length 28cm and width 14 cm, two semicircles ofdiameter 14 cm have been removed, as shownin the figure. Find the area of the remainingsheet of paper.28 cm14cm
Answer» Area of rectangle=lb=2814=392cm^2Semicircle area=πr^2/2=22/777/2=117=77cm^2hence 2 semicircle =772=154cm^2hence area shaded is 392-154=238cm^2

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