Prove the inequality theorem 6 which states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 39E
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Prove the inequality theorem 6 which states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side.

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