Respuesta :

rococo908

Answer:

x = 6, the angles are 75 degrees

Step-by-step explanation:

Corresponding angles are equal, so set them equal to each other:

12x + 3 = 11x + 9

x + 3 = 9

x = 6

Plug this in to find the angle value

12(6) + 3 = 75.

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