# Triangle Side Length Inequality

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Three lines of given length can possibly form a triangle. If the sum of any two lengths is greater than the third length, a triangle can be formed. This is the case whenever the gray circles intersect.

Contributed by: Tom De Vries (March 2011)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Triangle Side Length Inequality"

http://demonstrations.wolfram.com/TriangleSideLengthInequality/

Wolfram Demonstrations Project

Published: March 7 2011