Question

Help I don’t know how to do this

Answer 1

∠1 is 101 ∠4 is 79 and ∠2 is 79

Explanation:

This is because ∠1 is a vertical angle of ∠3 so they have the same angle

For ∠4 and ∠2 you would do 101-180 because they are supplementary do they add up to 180