Answer:
m<UKJ = 80
Step-by-step explanation:
These angles are equal to each other because they're corresponding angles:
12x - 4 = 10x + 10
12x - 10x = 10 + 4
2x = 14
x = 7
m<UKJ:
12x - 4
12(7) - 4
84 - 4
80
