Respuesta :

Answer:

x is also 63 degrees this is because vertical angles are congruent or like equal in measure

Step-by-step explanation:

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Answer:

63 degrees

Step-by-step explanation:

Since m is parallel to n, the angle that is marked 63 degrees and x are alternate interior angles. The alternate interior angle theorem states that alternate interior angles are congruent when a line cuts through two parallel lines. So, since m and n are parallel, these are congruent angles, making x also 63 degrees.