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A sheet of paper is in the form of a rectangle ABCD in which AB= 40 cm and AD=28 cm. A semicircle portion with BC as diameter is cut off, find the area of

the remaining paper?


First find the ar of the rectangle ABCD
then fimd the ar of semicircle=1/2 of circle
then subtract=arof ABCD-ar of semi cirlcle
 this is the remaining ar of paper
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