Answer:
A. 56
Step-by-step explanation:
Since a parallel line is 180 degrees, all we do is x + x+68 = 180.
2x = 112 or x = 56
A. [tex]\displaystyle 56°[/tex]
180° = x° + [x + 68]°
180° = 68° + [2x]°
- 68° - 68°
__________________
[tex]\displaystyle \frac{112°}{2} = \frac{[2x]°}{2} \\ \\ 56° = x[/tex]
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