Answer:
2. 40
3. 40
4. 140
5. 140
6. 40
7. 40
8. 140
Explanation:
angles 2 (and 3) are supplementary angles of the given angle, this means that the given angle and either one of the two angles i just mentioned should add up to 180
angle 4 is vertical to the given, so this means that they are congruent
angle 8 corresponds to 4 and 5 corresponds to the given, so they are all congruent
angles 7 and 6 correspond to 3 and 2, so they are also 40