The length of the rectangle is 2xcm, the width is 4cm, the length of the trapezoid is xcm, the length of the bottom is 3 times of the length of the top, and the height is 5cm? How much bigger?

Rectangle area: 2x × 4 = 8xcm2, trapezoid area: 0.5 × (x + 3x) × 5 = 10xcm2, ∵ length: 2xcm, ∵ 10x > 8x, ∵ trapezoid area: 2xcm2, ∵ 10x-8x = 2xcm2, ∵ 2xcm2

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