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∵∠AFD=65°,AB‖CD ∴∠BAE=65° ∵ABCD是正方形 ∴BA=BC,∠ABE=∠CBE=45° ∵BE=BE ∴△ABE≌△CBE ∴∠BEC=∠BEA ∵∠BEA=180°-65°-45°=70° ∴∠BEC=70°
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