19. 60* - a straight line is 180* - the other side which is 120* (supplementary) 20. 132* - the angle below is the same as the other side of this angle, 180* - 48* (same side interior angles) 21. 48* - these are the same angle just in different placements (corresponding angles) 22. 70* - same angles just different placement (alternate interior angles) 23. 85* - these are vertical angles so they’re the same 24. 114* - same angle just different placement (alternate exterior angles)