Original 18203

There is a cube with an edge. How long must the cube's edge be in which the volume should be twice the volume of the original cube?

Correct answer:

k =  1.2599

Step-by-step explanation:

b=ka V2=2 V1=b3=2 a3 (ka)3=2 a3 k3=2  k=32=1.2599

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