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MATH / In trapezoid ABCD with bases (AB)¯ and (CD)¯, we have AB=52, BC=12, CD=39, and DA=5. What is the area of ABCD? [asy] pair A,B,C,D; A=(0,0); B=(4,0); C=(3.3,1); D=(0.3,1); label("A"… · Discussion

Discussing In trapezoid ABCD with bases (AB)¯ and (CD)¯, we have AB=52, BC=12, CD=39, and DA=5. What is the area of ABCD? [asy] pair A,B,C,D; A=(0,0); B=(4,0); C=(3.3,1); D=(0.3,1); label("A"… · MATH

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