9514 1404 393
Answer:
135°
Step-by-step explanation:
Lines L and M are not shown as parallel, but we have to assume they are if we're to answer this question. That makes angle 2 and the one marked 135° alternate interior angles, hence congruent.
∠2 = 135°
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Additional comment
Angle 1 = 45° and x = 20.
