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Trapezoid ABCD has vertices A(-1,0), B(0,5), C(m,3) and D(k,0), with m > 0 and k > 0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid is 34 square units. What is the value of k?

 Dec 3, 2020
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k = 15/2.

 Dec 3, 2020

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