如图,已知△ABC是等边三角形, D、 E分别在边AB、AC上,且AD=CE,CD与BE相交于点O.
![](https://img.xkw.com/dksih/QBM/2020/3/2/2410820785799168/2411065215123456/STEM/b5ee8437dbc24f559ea2c5a32f27b8c6.png?resizew=400)
(1)如图①,求∠BOD的度数;
(2)如图②,如果点D、 E分别在边AB、CA的延长线上时,且AD=CE,求∠BOD的度数.
![](https://img.xkw.com/dksih/QBM/2020/3/2/2410820785799168/2411065215123456/STEM/b5ee8437dbc24f559ea2c5a32f27b8c6.png?resizew=400)
(1)如图①,求∠BOD的度数;
(2)如图②,如果点D、 E分别在边AB、CA的延长线上时,且AD=CE,求∠BOD的度数.
更新时间:2020-03-02 21:07:38
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【推荐1】求证:全等三角形的对应角平分线相等.
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【推荐2】如图,在△ABC中,∠B=∠C,点D为BC边上(B,C点除外)的动点,∠EDF的两边与AB,AC分别交于点E,F,且BD=CF,BE=CD.
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【推荐1】如图,在
中,
,D为
的中点,
,
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(1)求证:四边形
是菱形;
(2)连接
,若
,
是等边三角形,求
的长.
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(1)求证:四边形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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