From a cardboard 0.5m by 0.8m 60cubes with edge 3cm were made find the area of cardboard left
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Answer:0.346m^2
Step-by-step explanation:
convert 3cm to 0.03m because it would be easier.
area of 1 cube : 0.03x0.03 = 0.054m^2
the area of cardboard : 0.5 x 0.8 =0.4m^2
the are left after using : 0.4 - 0.054= 0.346m^2
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