Triangle Inequality

Revision as of 00:14, 7 July 2006 by IntrepidMath (talk | contribs) (Added See Also)

In a nondegenerate triangle $\displaystyle ABC$:

$\displaystyle AB + BC > AC$

$\displaystyle BC + AC > AB$

$\displaystyle AC + AB > BC$

This inequality often shows up in contest problems.

See Also

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