In `triangleABC`, if `a=13, b=14, c=15`, then cosB=A. `(198)/(390)`B. – InterviewSolution

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1.	In `triangleABC`, if `a=13, b=14, c=15`, then cosB=A. `(198)/(390)`B. `(394)/(390)`C. `(196)/(390)`D. `(500)/(390)`
Answer» Correct Answer - A

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