Respuesta :
Answer: k = 10
Step-by-step explanation:
mLXYZ = 180 - 115 = 65° (angles in a straight line)
65 + (4k+5) + (6k+10) = 180
65+4k + 5 + 6k + 10 = 180
10k = 180 - 80
k = 100 / 10 = 10
The value of k=10 because of u look at the line u can see that it’s vertically connected to 115 degrees