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January 30, 2015

January 30, 2015

Posted by **Hunter** on Tuesday, May 7, 2013 at 8:35pm.

- Math -
**Sheryl**, Wednesday, May 8, 2013 at 7:28pmIf radius and height are halved, then the total surface area is 1/4 the size. (1/2)^2 = 1/4. So 218 /4 = 54.5 units squared. We get the relationship from SA being 2 dimensions, so we square the ratio. If this were volume, you would cube the scale factor ratio.

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