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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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1 vote
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?

User Sahil Patel
by
7.1k points

2 Answers

4 votes

Answer:

C

Explanation:

User Jkatam
by
8.5k points
3 votes

Answer:

the answer is C

Explanation:

Gabe should not have subtracted 56 from

16 + 49.

User Kuzen
by
7.8k points
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