ab parallel to CD find x
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50 degree + 100 degree =180 degree
150 degree=180 degree
180 degree- 150 degree
30 degree
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Answer:
x=50°
Step-by-step explanation:
LACD = 100°
LDCB = 80° (linear pair).
LDCB = LCBA = 80° (Alternate interior angles)
In ∆ABF
LA + LB + LF = 180° (ASP)
50°+80°+x=180°
x + 130° = 180°
x = 180°-130°
x = 50°
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