Each of the following problems refers to triangle ABC.        If a = 13 yd, b =14 yd, and c = 15 yd, find the largest angle.

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.2: The Law Of Cosines
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Each of the following problems refers to triangle ABC.
   

 

  If a = 13 yd, b =14 yd, and c = 15 yd, find the largest angle.

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