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Mathematics for IGCSE & O level - Mensuration (Section 1 - No. 36)

Calculate the surface area of the shape of a cuboid of 10cm x 8cm x 5cm
340 cm²
420 cm²
138 cm²
100 cm²

解释

Surface Area = 2(lw + lh + wh) = 2(10*8 + 10*5 + 8*5) = 340 cm²

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