In the following figure, from a rectangular region \( A B C D \) with \( A B=20 \mathrm{~cm} \),... VIDEO
In the following figure, from a rectangular region \( A B C D \) with \( A B=20 \mathrm{~cm} \), a right triangle \( A E D \) with \( \mathrm{AE}=9 \mathrm{~cm} \) and \( \mathrm{DE}=12 \mathrm{~cm} \), is cut off. On the other end, taking \( \mathrm{BC} \) as diameter, a semicircle is added on outside the region. Find the area of the shaded region. [Use \( \pi=22 / 7] \)https://bit.ly/YTAI_PWAP https://www.pw.live
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