Question

Can someone help me figure this out?

Answer 1

Answer:

See answer below

Step-by-step explanation:

1.  Given

2.  If two angles form a linear pair, then they are supplementary angles

3. Definition of supplementary angles

4.  Substitution

5.   Opposite nonadjacent (called vertical) angles are equal

6.  Substitution

7.  Definition of supplementary angles

#2 Check your class notes, thanks.