The front wall of your shed is in the shape of a trapezoid. The bottom measures 22 feet, the top measures 20 feet, and the height is 10 feet. Calculate the area of the front wall of your shed.

The area of a trapezoid is the average of its two parallel sides multiplied by its height. (22 + 20) ÷ 2 × 10 = 210 square feet, so the correct choice is 210 sq. ft.

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