1 . 如图,点A、F、C、D在同一条直线上,
,
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da8fe8f5f8a3f17561d70652ad1172a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7f27111303c38eaf43bf547e460a33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c39fc54ae10f9de0484883d57f9b5f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439fbb8974a5f907205d26b47b420bf4.png)
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2 . 综合与实践课上,老师让同学们以“图形的折叠与变换”为主题开展数学活动.
操作一:如图1,将矩形纸片
折叠,使
落在边
上,点
与点
重合,折痕为
.
根据以上操作:四边形
的形状是 ;
操作二:沿
剪开,将四边形
折叠,使边
都落在四边形的对角线
上,折痕为
,连接
,如图2.
根据以上操作:
的度数为 ,线段
的数量关系是 .
(2)迁移探究
如图3,在
上分别取点
,使
和图
中的
相等,连接
,探究线段
之间的数量关系,并说明理由.
(3)拓展应用
在(2)的探究下,连接对角线
,若图
中的
的边
分别交对角线
于点
,将纸片沿对角线
剪开,如图
,若
,
,直接写出
的长.
操作一:如图1,将矩形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
根据以上操作:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedde879f99aed69d745d5ec8fe62084.png)
操作二:沿
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bedde879f99aed69d745d5ec8fe62084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646ee29654f8211748b5a5c976b92d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026afd9e84a096df8ac1d76494c67cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
根据以上操作:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936af8bf3f3ed7a2d40e1211860fc347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd8fb58db0a7a6870ea547a8f41225f.png)
(2)迁移探究
如图3,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b75f959ed3224c89a1f6ea90fb4920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd779e96d5ecbda1aa842c163c2eed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d2d4aa39abfb9bf99ec7ffd6a1dbe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936af8bf3f3ed7a2d40e1211860fc347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71432131d194730a67f3192d1f8679b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9593b13f36ee190a3dfdf070297e8d2c.png)
(3)拓展应用
在(2)的探究下,连接对角线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d2d4aa39abfb9bf99ec7ffd6a1dbe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8b5b45abab468a3772f3917ec95d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8dee74c7687e3e7c45f10299af6ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79a236e6039ccf4567769b06baa6137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2b041423973adf7fe20d6e63c278d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c6163af13c0277bc633fc9b4a83700.png)
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2024-04-26更新
|
277次组卷
|
6卷引用:2023年河南省周口市郸城县实验考数学模拟预测题
2023年河南省周口市郸城县实验考数学模拟预测题2023年河南省周口市郸城实验中考数学模拟预测题(5月份)2024年河北省廊坊市广阳区中考一模数学试题(已下线)考前特训03 几何解答题探究综合压轴题-2024年中考数学二轮热点题型归纳与变式演练(全国通用)2024年河南省驻马店市确山县八校联考中考一模数学试题广西壮族自治区贵港市平南县2023-2024学年八年级下学期期中数学试题
名校
3 . 如图,在矩形
中,点
、
分别在边
、
上,
,连接
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c581dab991aeadf06d972e47673ea8.png)
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4 . 如图1,在四边形
中,
,
,
是边
上一点,线段
的垂直平分线分别交
,
于点
,
,连结
,
.
.
(2)如图2,连结
交
于点
.若
,求证:
.
(3)如图3,已知
,
.若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c957cf833380e84efa31216dba3511c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a6e9864194f5b8d6e0dc534376aef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee558cf85da6490b0d243d071e0cf063.png)
(2)如图2,连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117878cbd8c00f2aabcdf62b487e2dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9649505536e0227f49908829d28da71a.png)
(3)如图3,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88fcb0a9670eb5925ad093f335ac3bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e0dc959251f873d79bb4f084b25206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdaa78613c35d069cb6509f043281c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fb500acb68103921ccfb580318a18e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
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5 . (1)如图1,在四边形
中,
,
,且
,求证:
.
(2)如图2,若在四边形
中,
,
,
分别是
上的点,且
,上述结论是否仍然成立?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3348482d11045605836c423db218e61f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3798a74058ec4bc40b6d9b5d268c359b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9eb456c912e01458c19b06e83a5c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e370923be3d4b7034a5992065b5f7d7.png)
(2)如图2,若在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173904239da66b7bef7cb1d997cc40ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20cb2c77ea29b6eabbc477bc3743859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6aef04eceb608a7a2cfc3e566f9e8b.png)
您最近一年使用:0次
名校
6 . 已知:
中,
,点
为
上一点,连接
并延长至点
,连接
、
,使
.
时,求证:
;
(2)如图2,当
时,(1)中结论是否成立?若成立,请给予证明;若不成立,请直接写出结论:____________________;
(3)如图3,在(2)的条件下,在
上截取
,连接
,点
在
上,连接
,且
,
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292e69a1d0682fa5185f8fd1f53d6c66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781fe23f97a33dcaec6d18c99e703dee.png)
(2)如图2,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
(3)如图3,在(2)的条件下,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55ee522f41c43253050e92b3c8de31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1c1751ecfccbb7c0592754b1935007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40d1fb2fac371288acc75e2f2e8f642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a653c9b4f6488fbc9ce98031e6dec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
您最近一年使用:0次
2024-04-23更新
|
237次组卷
|
3卷引用:广东省潮州市潮安区凤和中学2023-2024学年九年级上学期期中数学试题
广东省潮州市潮安区凤和中学2023-2024学年九年级上学期期中数学试题黑龙江省哈尔滨市香坊区风华中学2022-2023学年八年级下学期2月开学测数学(五四制)学科试卷(已下线)专题01 三角形的证明(考点清单,知识导图+7个考点清单、题型解读)-2023-2024学年八年级数学下学期期中考点大串讲(北师大版)
7 . 在四边形
中,
,
,
,
,
, 作
于点
, 在
中,
,
,
,将
按如图 1 放置,此时
与
重合,然后将
沿
平移至点
与点
重合,再改变
的位置,如图 3, 将顶点
沿
移动至点
, 并使点
始终在
上.
;
(2)如图
, 当线段
经过点
时, 求
的长;
(3)若点
在
上运动,
交
于点
.
当
于点
时, 求
的长;
设
,请直接用含
的式子表示
的长,并直接写出
长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998329f9cdb86f5d60d7d5d70fc3781e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4746df85049d1651d3f6c30212a7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d260eccf8d16e9ec44722fb55df12b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d48852ad433b0da21abf5be0f79260d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcb573bddf8503ccdb402d8772c7b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7b63537336fea79312cbfb82831320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d57800af2777945aaa7a41677f53c1e2.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e642dfd54ba57ea8e35d8a40cd9a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535add0db950ed30185356a9749d46f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
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8 . 如图,已知D是
内一点,
.求证:
.小红的解答如下:
和
中,
∵
,
∴
.……第一步
∴
.……第二步
(1)小红的证明过程从第 步开始出现错误;
(2)请写出你认为正确的证明过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbbec1c08b5d2c7ecbad752dd3c4b326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8bdf49aa3816c72be4b539b1b7ac38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75fb6f9ad72dea327a6895915cd5355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b4e9b8d1414ca53f09b110e8fbc5a5.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bea0cf7715368289c413de9f6c3eba.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d012a6f630f7c49ccb99439e1e9f154a.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8bdf49aa3816c72be4b539b1b7ac38.png)
(1)小红的证明过程从第 步开始出现错误;
(2)请写出你认为正确的证明过程.
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2024-04-22更新
|
101次组卷
|
2卷引用:2023年贵州省统一命题中考数学模拟预测题
9 . 如图,A、D、B、F在一条直线上,
,
,
.
;
(2)连接
、
,求证四边形
为平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b750a0aeab4974c590b538e009fb3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5adc18ca424552b35ab939e9d57943e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac85be72fc51ef4c90de7e00c5556cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a326ccf98e2d7fab20783e5a8ed7477.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1507da3daed983c2f355d4caebb66d72.png)
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2024-04-19更新
|
369次组卷
|
15卷引用:2023年江苏省无锡市厚桥中学中考三模数学试题
2023年江苏省无锡市厚桥中学中考三模数学试题江苏省无锡市宜兴市宜兴外国语学校2022-2023学年九年级下学期03月月考数学试题(已下线)专题25平行四边形的性质与判定(优选真题60道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【全国通用】2023年新疆乌鲁木齐市沙依巴克区中考数学适应性试题2023年山东省淄博市临淄区中考二模数学模拟试题广西百色市平果市 2022-2023年九年级教学诊断数学试题(已下线)专题9.9 平行四边形(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)9.3 平行四边形(第2课时)(练习)-2022-2023学年八年级数学下册同步精品课堂(苏科版)(已下线)专题 4.32 平行四边形(全章复习与巩固)(知识讲解)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题4.4 平行四边形的判定定理(知识解读)-2022-2023学年八年级数学下册《同步考点解读·专题训练》(浙教版)2024年江苏省徐州市睢宁县第二中学中考模拟数学模拟预测题(4月)2024年贵州省黔东南州九年级数学中考模拟测试卷(一)2024年湖北省黄石市黄石港区部分学校中考模拟数学试题2024年山东省淄博市高青县第六中学九年级中考一模数学试题(已下线)专题04 平行四边形的判定与性质(七大题型)-【好题汇编】备战2023-2024学年八年级数学下学期期末真题分类汇编(山东专用)
10 . 如图,点
、
分别是等边三角形
的两边
、
上两点,
、
相交于点
,连结
.若
,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128147bd4834566a78b4e9d2a3b2139c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af018556f0b484ed38519f2edc791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05cdd49cdd5de02f770bb9edd85ad264.png)
A.![]() | B.![]() ![]() ![]() ![]() |
C.![]() | D.![]() ![]() ![]() ![]() |
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