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Mathematics, 17.08.2021 03:50 marissasabino111

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
А. 180°
В. 67°
о
С. 90°
D. 23°


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

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