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Geometry 9 Online
OpenStudy (silver):

Right triangle ABC has three sides with lengths AB = 119, BC = 169, CA = 120. Find the value of cos C. A. 169/120 B. 120/169 C. 119/120 D. 120/119

jhonyy9 (jhonyy9):

|dw:1474758496037:dw|

jhonyy9 (jhonyy9):

the law of cosine say that cos of an angle is equal adjacent side divide hypotenuse in case of your exercise cos C = AC / BC cos C = 120/169 so choice B. is right sure hope helped understandably easy

OpenStudy (saksh1998):

yes its b

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