Abcd is a rectangle having ab=20 cm a right∆ aed with ae= 9 cm de =12 cm it cut off on the other end taking bc as diameter a semicircle is added on out side the region find the area of the shaded region (π=22/7)
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from a rectangular region ABCD with AB= 20 cm, a right triangle AED with AE= 9 cm and DE= 12 cm, is cut off. On the other end, taking BC as diameter, a semicircle is added on outside the region...............................
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