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Cirlce P is tangent to each side of ABCD. AB= 20, BC=11, and DC= 14. Let AQ= x and find AD

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1 Answer

We can draw the quadrilateral (tetragon) around a circle if and only if the sum of the lengths of opposite sides are equal.
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AB + CD = AD + BC
20 + 14 = AD + 11 ----> AD = 23