A cube 4

A cube of edge 5 cm is cut into cubes, each of edge 1 cm. Find the ratio of the total surface area of one of the small cubes to that of the large cube.

Correct answer:

r =  1:25

Step-by-step explanation:

a=5 cm b=1 cm  S1=6 a2=6 52=150 cm2 S2=6 b2=6 12=6 cm2  r=S2/S1=6/150=0.04=1:25



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