如图,△ABC内接于⊙O, E是边BC的中点,连接OE并延长交⊙O于点D,连接CD,若∠BCD=26°,则∠A=__ °.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/567b4c45-da4d-47c8-b0e8-4a6bafed843d.png?resizew=120)
更新时间:2021-05-15 14:14:31
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【推荐1】如图,在Rt△ABC中,∠ACB=90°,AC=BC,射线AF使∠BAC的平分线,交BC于点D,过点B作AB的垂线与射线AF交于点E,连接CE,M是DE的中点,连接BM并延长与∠C的延长线交于点G,则下列结论:①△BCG≌△ACD;②BG垂直平分DE;③∠G=2∠GBE;④BE+CG=AC,把所有正确结论序号填在横线上________ .
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【推荐1】如图,AB为⊙O的直径,延长AB至点D,使BD=OB,DC切⊙O于点C,点B是
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【推荐2】如图,将弧AC沿弦AC折叠交直径AB于圆心O,则弧AC=________ 度.
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