If m<3 = 30, then m<6 = 30° Vertically opposite Angles
If m<BHF = 115, then m<3 = 65° Supplimentary Angles
If m<6 = 27, then m<1 = 32°Angles on a plane add upto 180°
If m<DHF = 133, then m<CHG = 47° Supplimentary Angles
If m<3 = 32, then m<2 = 58° Complimentary Angles.