$\begingroup$ I tried to complete this two-column proof with reasons per statement. Here's my work:
![enter image description here]()
If someone could tell me where I went wrong, it would be very helpful.
$\endgroup$ 6 1 Answer
$\begingroup$ $\angle 1=90^\circ - \angle 2 = 90^\circ - \angle 3= \angle 4$
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