如图,A、E、F、D四点在同一直线上,
,
,
,判断
与
的位置关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f4db16b8c19d60afe5e5ef9344132f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff56ea00ca90825f3d95809de24f639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/4/97c68636-b80f-473b-9665-438b0ebb53bf.png?resizew=143)
更新时间:2023-08-03 21:16:47
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【推荐1】如图,在四边形
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【推荐2】已知,如图,
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(已知)
∵
______(______)
又∵
(已知)
∴![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
______(______)
∴
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∵
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed16d054dd62702d4606c37a198db97b.png)
(2)把第(1)小题中的结论用文字叙述出来:_________.
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