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13 votes
13 votes
Given any triangle ABC with corresponding side lengths a, b, and c, the law of

cosines states:
Please help answer picture is below

Given any triangle ABC with corresponding side lengths a, b, and c, the law of cosines-example-1
User NicolasKittsteiner
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1 Answer

19 votes
19 votes
The answer is b, because that is the law of cosines.
User Bliof
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