Respuesta :

epicman00900
angles in triangle add to 180 degrees
20x=180
x=9
Angle ABC is the top one
8x9=72
rosh18

Answer:

[tex]x = 9[/tex]

[tex]angle \: abc = 8x + 6x + 6x \\ 20x = 180 \\ x = \frac{180}{20} \\ x= 9[/tex]

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