SOLUTION: Cube M has a side length of 10 mm. If Cube N's side length is double that of Cube M, then what is the surface area of Cube N?

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Question 246346: Cube M has a side length of 10 mm. If Cube N's side length is double that of Cube M, then what is the surface area of Cube N?

Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
The side of cube N is 20 mm, so each face of cube N is 20*20= 400 mm^2. There are 6 faces on the cube, so the total surface area is 6*400 = 2400 mm^2.

Dr. Robert J. Rapalje, Retired