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Using the Law of Sine or Cosine, solve for the unknown variable (round to the
nearest tenth)

HELP QUICK PLEASE

Using the Law of Sine or Cosine solve for the unknown variable round to the nearest tenth HELP QUICK PLEASE class=

Respuesta :

Mathunga

Answer:

33.18208

Step-by-step explanation:

This can be solved via Law of Sines, but I´m gonna use sines for the sake of efficiency. :P

So, you have your 3 values and unknown length x.

First set up your proportions: [tex]\frac{sin(65)}{x}=\frac{sin(35)}{21}[/tex]

Cross multiply. [tex]x=\frac{21sin(65)}{sin(35)}[/tex]

Simplify. [tex]x=33.18208[/tex]

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