Respuesta :

Answer:

≈ 18.46

Step-by-step explanation:

LJ = 39, JM = 80, and LM = 89

JK= x ⇒ KL= 39-x

JM/LM= x/(39-x)

  • 80/89=x/(39-x)
  • 89x= 80*(39-x)
  • 89x+80x= 80*39
  • 169x= 3120
  • x= 3120/169
  • x≈ 18.46