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In the figure, triangle ABC is inscribed in a semicircle with diameter AC of length 20 inches, and AB = 10 inches. When the area of the shaded region, in square inches, is expressed in the form a*pi - b what is the value of a + b?

 Jul 9, 2022
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There was no figure shown? Show at least the asymptote code please. 

 Jul 9, 2022

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