awesomegrace33
awesomegrace33 awesomegrace33
  • 08-07-2018
  • Mathematics
contestada

need help with finding the x!!!

need help with finding the x class=

Respuesta :

tutisto
tutisto tutisto
  • 08-07-2018
Angle QRT is supplementary to angle SRT, so they add up to 180, so angle SRT's measure is 180-9x

From there you can add up all three angles inside the triangle and set them equal to 180

so [tex](180-9x) +[/tex] [tex](9+x)+5x=180[/tex]

Combine like terms and solve for x ⇒ x=3
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