Question

Please help with this two-column proof. Image attached. Thank you in advance!

Answer 1

A would be "Because <2 is congruent to <4"

B would be "Definition of Supplementary Angles"

C would be "Subtraction Property"

These are a start, try to come up with them with the help of this

Answer 2

Answer:

1. 70
2. 110
3. 180
4. 70

Step-by-step explanation:

I hope this helps.