Answer:
1. 65 deg
2. 115 deg
3. 115 deg
Step-by-step explanation:
1.
Angles 7 and 8 are supplementary. Their measures add to 180 deg.
m<7 + m<8 = 180
m<7 + 115 = 180
m<7 = 180 - 115
m<7 = 65
2.
Since lines p and q are parallel lines cut by a transversal, corresponding angles 6 and 8 are congruent.
m<6 = m<8
m<6 = 115
3.
Angles 1 and 6 are vertical angles, so they are congruent.
m<1 = m<6
m<1 = 115
