Anu made a cuboid with dimensions 10cm,7cm and 2cm.what is the least no. of such cuboids needed to form a cube?
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LCM of 10, 7 and 2 = 70
therefore side of cube formed = 70 cm
volume of cube = a³
therefore v = 70³ = 343000 cm³
volume of cuboid = lbh
therefore v = 10×7×2 = 140 cm³
no. of cuboids = 343000÷140 = 2450
therefore 2450 cuboids are needed to form a cube
therefore side of cube formed = 70 cm
volume of cube = a³
therefore v = 70³ = 343000 cm³
volume of cuboid = lbh
therefore v = 10×7×2 = 140 cm³
no. of cuboids = 343000÷140 = 2450
therefore 2450 cuboids are needed to form a cube
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