1:如图(附件)在平行四边形ABCD中,AB=6,AD=9,∠BAD的平分线交BC于点E,交DC的延长线于点F,BG⊥AE,垂足为G,BG=4√2,则△CEF的周长为( )A,8 B,9.5 C,10 D,11.52:如图(附件)在平行四边形ABCD中,AB=BC,∠AB
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![1:如图(附件)在平行四边形ABCD中,AB=6,AD=9,∠BAD的平分线交BC于点E,交DC的延长线于点F,BG⊥AE,垂足为G,BG=4√2,则△CEF的周长为( )A,8 B,9.5 C,10 D,11.52:如图(附件)在平行四边形ABCD中,AB=BC,∠AB](/uploads/image/z/2396387-11-7.jpg?t=1%EF%BC%9A%E5%A6%82%E5%9B%BE%EF%BC%88%E9%99%84%E4%BB%B6%EF%BC%89%E5%9C%A8%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CAB%3D6%2CAD%3D9%2C%E2%88%A0BAD%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E4%BA%A4BC%E4%BA%8E%E7%82%B9E%2C%E4%BA%A4DC%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%8E%E7%82%B9F%2CBG%E2%8A%A5AE%2C%E5%9E%82%E8%B6%B3%E4%B8%BAG%2CBG%3D4%E2%88%9A2%2C%E5%88%99%E2%96%B3CEF%E7%9A%84%E5%91%A8%E9%95%BF%E4%B8%BA%EF%BC%88+%EF%BC%89A%2C8+B%2C9.5+C%2C10+D%2C11.52%EF%BC%9A%E5%A6%82%E5%9B%BE%EF%BC%88%E9%99%84%E4%BB%B6%EF%BC%89%E5%9C%A8%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%AD%2CAB%3DBC%2C%E2%88%A0AB)
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