Answer:
The perimeter of this trapezoid is
7 + 5 + 3 + 7 + 4 = 26 cm
rectangle, A = lw, 4 × 7 = 28 square cm
triangle, A = (1/2)bh, (1/2) × 3 × 4 =
6 square cm
(1/2)(4)(7 + 10) = (1/2)(4)(17) = 34 square cm = 28 square cm + 6 square cm
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