Mathematics
Mathematics, 01.12.2020 03:30, ethansellenburg

Select the angle that correctly completes the law of cosines for this triangle. 52 + 132 – 2(5)(13)cos _ = 122
67°
13
5
23°
90°
12
A. 180°
B. 23°
C. 90°
D. 67°


Select the angle that correctly completes the law of cosines for this triangle.

52 + 132 – 2(5)(1

answer
Answers: 2

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Select the angle that correctly completes the law of cosines for this triangle. 52 + 132 – 2(5)(13)...

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