Mathematics, 25.07.2019 12:30 jacky852

In trapezoid abcd, the parallel sides ab and cd have lengths of 8 and 20 units, respectively, and the altitude is 12 units. points e and f are the midpoints of sides ad and bc, respectively. what is the area of quadrilateral efcd in square units?

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In trapezoid abcd, the parallel sides ab and cd have lengths of 8 and 20 units, respectively, and th...

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