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October 21, 2014

October 21, 2014

Posted by **Randy** on Saturday, January 7, 2012 at 9:38pm.

- math -
**drwls**, Saturday, January 7, 2012 at 11:40pmThe lateral area does not include the bottom. Each triangular side has a height (from bottom edge to apex) of sqrt(3^2 + 5^2) = sqrt34

The lateral area of four sides is

4*(1/2)*6*sqrt34 = 12 sqrt34= 69.97 cm^2

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