Jenna131
Jenna131 Jenna131
  • 18-04-2017
  • Mathematics
contestada

And please explain it?

And please explain it class=

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soooobored
soooobored soooobored
  • 18-04-2017
You probably jsut need to use law of cosines in order to solve for angle A

[tex]c^2 = a^2+b^2 -2ab \cos C[/tex]
or
[tex]a^2 = c^2+b^2 -2cb \cos A[/tex]
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