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  • 26-06-2018
  • Mathematics
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Luv2Teach
Luv2Teach Luv2Teach
  • 26-06-2018
Use the Law of Sines here.  Set it up like this: [tex] \frac{sin65}{x} = \frac{sin54}{9} [/tex].  Cross multiply to get xsin(54)=9sin(65).  Divide by sin(54) to isolate x and solve.  x = 10.08 or 10.1 rounded.  First choice above.
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