Answer:
∠2 = 35 degrees because it is the vertical angle of ∠3
∠6 = 35 degrees because it corresponds with ∠2
∠4 = 145 degrees because when added to ∠2 145 + 35 = 180
A straight line equals 180 degrees. ∠4 and ∠2 are on the same line which means they have to add up to 180 degrees.
Explanation: