Answer:
B.) 63
Explanation:
They are vertical angels so they are angles that have a common vertex and whose sides are formed by the same lines.
And vertical angels have the same measurements.
Hope this helps you out ; )
B:63
The answer is B, 63 because the angles M and 63° are the same.
Sorry I couldn't explain better, but I know that's the answer. Good luck!
:)
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