Respuesta :

Answer:

x = 101 °

Step-by-step explanation:

Here give ∠ ACD exterior  angles 79 °

[Angle Addition Postulate and definition of straight angle: ]

∠ACD + ∠ACB = 180

79 + n = 180

n =180-79=101

n = 101

[RevyBreeze]

Apply supplementary angle theorem

  • They have sum 180°

[tex]\\ \rm\rightarrowtail x+79=180[/tex]

[tex]\\ \rm\rightarrowtail x=180-79[/tex]

[tex]\\ \rm\rightarrowtail x=101[/tex]