如图,点E,F分别在平行四边形ABCD的边AD和BC,AE= CF,求证:∠BAF = ∠DCE.
21-22八年级下·福建福州·期中 查看更多[5]
福建省福州市仓山区2021-2022学年八年级下学期期中数学试题(已下线)数学(江苏徐州B卷)-学易金卷:2022-2023学年八年级下学期期中考前必刷卷2024年山东省济南市高新区中考一模数学模拟试题福建省福建省福州第八中学2023-2024学年九年级下学期期中数学试题2024年福建省福州市高新区中考一模数学试题
更新时间:2022-08-08 23:28:13
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【知识点】 利用平行四边形性质和判定证明解读
相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐1】如图,四边形
是矩形,对角线
、
相交于点
,
交
的延长线于点
.
![](https://img.xkw.com/dksih/QBM/2022/8/20/3048848082608128/3073985283842048/STEM/6f00785f055244ccb245869a739ce571.png?resizew=146)
(1)求证:
;
(2)若
,
,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b5d737d39e5ea753c6c824dd964751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2022/8/20/3048848082608128/3073985283842048/STEM/6f00785f055244ccb245869a739ce571.png?resizew=146)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55b6ce55e67f6e95e616eaf1ca3f6f8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1983c41ebdacc818687e43642f8fb670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,在
中,延长
至点E,使
,连接
和
.
(1)若
,求
的长;
(2)若
,请判断四边形
的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e92f48e9bfe12d145f7d2a2f0360d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/3/b48dda0c-9fe1-40fb-8888-e64302532406.png?resizew=194)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e729ab418af074c81c7d84936c577482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041e4132c761a05c17d9d54ae3e41151.png)
您最近一年使用:0次