How many 3cm cubes can be cut out from a cuboid of dimensions 18cm*12cm*9cm?
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let
side of a cube = a = 3cm
volume of 1 cube = a^3 = 3^3 = 27cm^3
number of cubes made by the cuboid be n
n * volume of the 1 cube = volume of the cuboid
n = l*b*h/volume of the 1 cube
n = (18cm* 12cm *9cm)/27 cm^3
n= 72
therefore
72 cubes can be made with the cuboid
side of a cube = a = 3cm
volume of 1 cube = a^3 = 3^3 = 27cm^3
number of cubes made by the cuboid be n
n * volume of the 1 cube = volume of the cuboid
n = l*b*h/volume of the 1 cube
n = (18cm* 12cm *9cm)/27 cm^3
n= 72
therefore
72 cubes can be made with the cuboid
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