Answer:
let x be a point and join point c
when XC // AL // BK
∠LAC+∠ACX = 180 (int. angle, XC//BK)
∠ACX = 60
then ∠ACX + ∠BCX = 80
∠BCX = 80 - 60 = 20
∠BCX + ∠B = 180 (int. angle, XC//BK)
∠B = 180 -20 = 160
Explanation:
Get that coochie
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