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April 16, 2014

April 16, 2014

Posted by **Daniel** on Tuesday, May 7, 2013 at 3:31pm.

a) 126 cm2 b) 252 cm2, c) 378 cm 2 d) 14 cm2

I took 42 cm x 3 and got 126 cm2 did I work this correctly?

- Math -
**Steve**, Tuesday, May 7, 2013 at 3:52pmnope. If the side is x3, the area is x3^2 = x9 or 378

whenever the sides are scaled by a factor of n,

area is scaled by n^2

volume is scaled by n^3

since area is figured by multiplying two dimensions, each scaled by the same factor.

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