Respuesta :

DᴀʀᴋPᴀʀᴀᴅᴏx

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In the given figure, Angle 3x forms linear pair with Angle 123°, so their sum measures 180°

that is :

  • [tex]123 + 3x = 180[/tex]

  • [tex]3x = 180 - 123[/tex]

  • [tex]3x = 57[/tex]

  • [tex]x = \dfrac{57}{3} [/tex]

  • [tex]x = 19[/tex]

value of x = 19°