四边形ABCD中,∠ABC=∠ADC=90°,E是AC中点,EF平分∠BED,交BD于点F.请猜想;EF与BD的关系四边形ABCD中,∠ABC=∠ADC=90°,E是AC中点,EF平分∠BED,交BD于点F.请猜想;EF与BD有怎样的关系?
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![四边形ABCD中,∠ABC=∠ADC=90°,E是AC中点,EF平分∠BED,交BD于点F.请猜想;EF与BD的关系四边形ABCD中,∠ABC=∠ADC=90°,E是AC中点,EF平分∠BED,交BD于点F.请猜想;EF与BD有怎样的关系?](/uploads/image/z/2981621-29-1.jpg?t=%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0ABC%3D%E2%88%A0ADC%3D90%C2%B0%2CE%E6%98%AFAC%E4%B8%AD%E7%82%B9%2CEF%E5%B9%B3%E5%88%86%E2%88%A0BED%2C%E4%BA%A4BD%E4%BA%8E%E7%82%B9F.%E8%AF%B7%E7%8C%9C%E6%83%B3%EF%BC%9BEF%E4%B8%8EBD%E7%9A%84%E5%85%B3%E7%B3%BB%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0ABC%3D%E2%88%A0ADC%3D90%C2%B0%2CE%E6%98%AFAC%E4%B8%AD%E7%82%B9%2CEF%E5%B9%B3%E5%88%86%E2%88%A0BED%2C%E4%BA%A4BD%E4%BA%8E%E7%82%B9F.%E8%AF%B7%E7%8C%9C%E6%83%B3%EF%BC%9BEF%E4%B8%8EBD%E6%9C%89%E6%80%8E%E6%A0%B7%E7%9A%84%E5%85%B3%E7%B3%BB%3F)
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