< LHM = 140 < LHM + < LHK = 180 (because these angles form a straight line) therefore < LHK = 180 - 140 = 40 < LHK + < KHP + < PHJ = 180 (because these angles for a straight line)     40 + 20 + < PHJ = 180      60 + < PHJ = 180      < PHJ = 180 - 60      < PHJ = 120 <====