(2009?安顺)如图,AB∥CD,AC⊥BC,∠BAC=65°,则∠BCD=______度

(2009?安顺)如图,AB∥CD,AC⊥BC,∠BAC=65°,则∠BCD=______度.
2025-06-28 07:53:14
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回答1:

∵在Rt△ABC中,∠BAC=65°,
∴∠ABC=90°-∠BAC=90°-65°=25°.
∵AB∥CD,∠BCD=∠ABC=25°.