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Gerard G · Answer 1 · 2019-06-23T13:07:03+0000

Area of Trap = height(one base + other base) / 2
height = 10sqrd - 8.7sqrd = sqrt 24.31 = 4.93

Area of trap = 4.93(20.7 + 12)/2 = 80.61

Kaminari · Answer 2 · 2019-06-26T20:35:37+0000

Roughly 80.1 with rounding.

The height of the figure is 4.9 which you can find with the Pythagorean theorem. Then simply solve by finding each area by itself.

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