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  • 03-08-2020
  • Mathematics
contestada

Find x round to the nearest tenth

Find x round to the nearest tenth class=

Respuesta :

stewiegamerhd101 stewiegamerhd101
  • 03-08-2020

Answer:

83.0

Step-by-step explanation:

We have all three sides and the only thing we're missing is the X angle. And that's okay!

All you have to do is plug in the numbers into each variable. In this case if you are going to solve for X, you should use this equation.

[tex]x^2=y^2+z^2-2yzcosX[/tex]

x = 17ft

y = 8ft

x = 16fi

Then you can algebraically solve for cosX, and then use the inverse of cosx to get the angle.

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