Answer:
A. 40 degrees
Explanation:
x is a vertical angle pair with the 40 degree angle.
Vertical angle pairs are congruent, meaning their values are equal to each other.
So, x is equal to the other angle, 40.
A) 40 degrees
The two marked angles in the figure are vertical angles. They are congruent, which means they have the same measure.
x° = 40°
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