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2 October, 05:39

Gabe tried to use the law of cosines to find an unknown angle measure in a triangle. His work is shown. What is Gabe's error?

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Answers (1)
  1. 2 October, 06:47
    0
    the answer is C

    Step-by-step explanation:

    Gabe should not have subtracted 56 from

    16 + 49.
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