Respuesta :
Answer:
D-60°
Step-by-step explanation:
K,L,M is collinear and JM=JL
M can only be extend to the left of K, otherwise it will overlap with L
JM = JL   ÎJML is isosceles triangle   â JML â â JLM
â JLM = 90 - â KJL = 90 - 30 = 60
â JML = 60°
