Question

A. 56 ° B. 68 ° C. 112 ° D. 124 °

Answer 1

Answer:

A. $\displaystyle 56°$

Step-by-step explanation:

180° = x° + [x + 68]°

180° = 68° + [2x]°

- 68° - 68°

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$\displaystyle \frac{112°}{2} = \frac{[2x]°}{2} \\ \\ 56° = x$

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Answer 2

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