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2014-06-10T16:50:53-03:00
h=\frac{l\sqrt{3}}{2}
3\sqrt{3}=\frac{l\sqrt{3}}{2}
(3\sqrt{3})2=l\sqrt{3}
6\sqrt{3}=l\sqrt{3}
\frac{6\sqrt{3}}{\sqrt{3}}=l
6=l

2p=3*6
2p=18
2 5 2
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