Answer:
x = 6
MON = 102
adjacent angle UTQ and UTV
Explanation:
Use parallel line alternate angle rule
JNO = MON
12x + 30 = 9x + 48
12x - 9x = 48 - 30
3x = 18
x = 18/3 = 6
MON = 9x + 48 = 9(6) + 48 = 54 + 48 = 102
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