Help with geometry problem

label Mathematics
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schedule 1 Day
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Nov 3rd, 2015

Thank you for the opportunity to help you with your question!

We will use the cosine rule.

Cos x=adjacent/hypotenuse

cos 48=c/51

c=51 cos 48

=34.1

The answer is B.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 3rd, 2015

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