已知AB//CD,BD平分∠ABC交AC于O,CE平分∠DCG,若∠ACE=90°,求证BD⊥AC如题G与B.C共线 CE平分∠DCG

已知AB//CD,BD平分∠ABC交AC于O,CE平分∠DCG,若∠ACE=90°,求证BD⊥AC如题G与B.C共线 CE平分∠DCG
已知AB//CD,BD平分∠ABC交AC于O,CE平分∠DCG,若∠ACE=90°,求证BD⊥AC
如题
G与B.C共线 CE平分∠DCG

已知AB//CD,BD平分∠ABC交AC于O,CE平分∠DCG,若∠ACE=90°,求证BD⊥AC如题G与B.C共线 CE平分∠DCG
你这个问题少条件啊,E点G点在哪儿啊?
因为G在BC线上（应该在延长线上）,因为AB//CD,所以

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