Question

In the figure ,L // M . if AB and BC are two intersecting lines such that angle 1 = 120° and angle 2 = 85° find angle ABC​

Answer 1

Answer:

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Answer 2

Answer:

Let angle ABC be X

Now

$angle \: 2 + x = angle \: 1 \\ 85 + x = 120 \\ x = 35$