Find the area of the trapezoid ABCD if AD = 12m, BC = 6m, BH = 3m.

The area of the trapezoid is equal to the product of the half-sum of the bases and the height of the trapezoid.

S = (ВС + АD) * ВН / 2 = (6 + 12) * 3/2 = 27 m2.

Answer: The area of the trapezoid is 27 m2.

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