I need help with a geometry problem

label Mathematics
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Nov 12th, 2015

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

cosB=BC/AB=4/5

B=cos^-1(0.8)=37 degrees

the answer is C. 37

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 12th, 2015

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