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Since AFED is a trapezium,
Angle DEF + Angle AFE = 180
Hence, angle x = 180 - 54 - 86 = 58
Angle x = 58
Angle FAC = Angle ACB (since AF//BC)
Angle y = 38
Angle DEF + Angle AFE = 180
Hence, angle x = 180 - 54 - 86 = 58
Angle x = 58
Angle FAC = Angle ACB (since AF//BC)
Angle y = 38
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