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30 points!! question is in picture pls

30 points!! question is in picture pls
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1 vote
30 points!!
question is in picture
pls

30 points!! question is in picture pls-example-1
User Antonio Cangiano
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7.1k points

1 Answer

4 votes


\cos A=(AB)/(26)\\\\(AB)^2+10^2=26^2\\(AB)^2+100=676\\(AB)^2=576\\AB=24\\\\\cos A=(24)/(26)=(12)/(13)

User ThomasK
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