Respuesta :

Answer:

28

Step-by-step explanation:

So when it comes to angles, in this case the total should equal 180°.

So you should set up the equation 180 = 4x + 2x +12 or 180 = 6x + 12.

(6x28)=168 + 12 = 180

Your answer is C 28 is the x value
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