Angle 3 is vertical from angle 1, so it would also be 39 degrees. Angle 3 and 4 are supplementary, meaning their sum is 180 degrees. 180 - 39 is 141, so angle 4 is 141 degrees. Angle 2 is vertical to angle 4, so it would also be 141 degrees.
TLDR; Angle 2= 141, Angle 3= 39, Angle 4= 141
