help me please i need it
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Answer:
150°
Step-by-step explanation:
let the angle adjacent to L 1 be x
x is the angle alternate to the opposite angle of 30°
indirectly, x = 30°
by linear pair of angles of L 1
I.e. x + L 1 = 180°
30° + L 1 = 180°
L 1 = 180° - 30°
L 1 = 150°
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