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Determine the area and perimeter of the trapezoid at right.

Recall the formula to find the area of a trapezoid. Try separating the trapezoid
into various shapes when finding missing side lengths.

Trapezoid, with dashed segment from top right vertex, perpendicular to bottom side, labeled as follows: Dashed segment, 4 m, top side, 5 m, slanted right side, square root of 20 m, bottom side, 8 m.