A log of wood with dimensions 2cmx20cmx10cm is cut into small blocks of dimensions 10cmx 5cmx 4cm . How many blocks will we get? Total surface area of all blocks???
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No of blocks = (2×20×10)/10×4×5
= 2 blocks
SA of blocks = 2×2 (50+20+40)
= 440 cm^2
= 2 blocks
SA of blocks = 2×2 (50+20+40)
= 440 cm^2
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