Cube

How many times increases the surface area of a cube with an edge 13.1 cm if the length of the edge doubles?

Final Answer:

n =  4

Step-by-step explanation:

a=13.1 cm k=2 k = A/a   n = S1S2 =  6a26A2 =  a2A2 = a2(k a)2  n=k2=22=4



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