题型:解答题-证明题
难度:0.94
引用次数:1695
题号:10314586
已知:如图,在
ABCD中,点E、F分别在AD、BC上,且∠ABE=∠CDF.
求证:四边形BFDE是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a5328919a7cec382c2e91c9c528fc1.png)
求证:四边形BFDE是平行四边形.
更新时间:2020-05-21 10:14:03
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解答题-问答题
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容易
(0.94)
【推荐1】已知:
中,
,AE平分
交BC于E点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/d0c8960e-7e6c-4d76-852b-4fc708902909.png?resizew=193)
(1)求
的度数;
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983e2862c5b08454a5443a17c1629971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/4/d0c8960e-7e6c-4d76-852b-4fc708902909.png?resizew=193)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4598486f8c5ac28b1165b76e78105979.png)
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(0.94)
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【推荐2】已知,如图,在平行四边形ABCD中,∠A=135°,AB=5cm,BC=9 cm,求∠B,∠C的大小及AD,CD的长.
![](https://img.xkw.com/dksih/QBM/2019/9/4/2283557211840512/2285069288275968/STEM/06d2323cdced400289b093f6be6e7a93.png?resizew=199)
您最近一年使用:0次
解答题-证明题
|
容易
(0.94)
【推荐1】如图,在四边形中,
.
(1)试猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)试猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次