As shown in the figure, a seedling shed with width a = 6m, height B = 2.5m, and length d = 10m, the area of plastic film covered on the slope of the shed is______ m2．

∵ B ⊥ a, ∵ C = A2 + B2 = 36 + 6.25 = 6.5m ∵ s rectangular ABDE = C · d = 6.5 × 10 = 65m2. Therefore, the area of plastic film covering the top is 65m2

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