Respuesta :

rediethadley

Answer:

B. 45

Step-by-step explanation:

choixongdong

Answer:

<1 = 3x  (Alternate exterior angle angles)

Step-by-step explanation:

3x + 9x = 180

12x = 180

   x = 15

<1 = 3x  (Alternate exterior angle angles)

<1 = 3(15)

<1 = 45

Answer

<1 = 3x  (Alternate exterior angle angles)

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