Respuesta :

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Answer:

Should be 60°

Step-by-step explanation:

Since each interior angle in an octagon is 120°, you would subtract 120° from 180° (which is the angle of a line). This would get you 60 °.

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result