名校
1 . 如图,在菱形
中
,E为对角线
上一点,F是BC延长线上一点,连接
.
![](https://img.xkw.com/dksih/QBM/2023/5/5/3231285598478336/3233577787809792/STEM/f6c847fca58f4b38a5f933039f72d16c.png?resizew=167)
(1)求证:
;
(2)若点G为
的中点,连接
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4801d25f5a771bd18d0c895563944eda.png)
![](https://img.xkw.com/dksih/QBM/2023/5/5/3231285598478336/3233577787809792/STEM/f6c847fca58f4b38a5f933039f72d16c.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
(2)若点G为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a18aa1f15b75b59ecf70ed0f1f1d4.png)
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2023-05-08更新
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7卷引用:重庆八中2018-2019学年八年级下学期定时练习(七)数学试题
重庆八中2018-2019学年八年级下学期定时练习(七)数学试题(已下线)专练04 特殊平行四边形解答题综合(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)第05课 特殊平行四边形 解答题(重点)-2022-2023学年九年级数学上册课后培优分级练(北师大版) 山东省济宁市鱼台县2022-2023学年八年级下学期期中考试数学试题(已下线)第01讲 菱形的性质-【暑假自学课】2023年新九年级数学暑假精品课(北师大版)(已下线)第07讲 特殊平行四边形 单元综合检测-【暑假自学课】2023年新九年级数学暑假精品课(北师大版)(已下线)2023年浙江省嘉兴(舟山)市中考数学真题变式题17-20题
名校
2 . 在
中,
是
边上任意一点,
是
边的中点,过点
作
的平行线,交
的延长线于点
,连接
,
.
![](https://img.xkw.com/dksih/QBM/2020/9/29/2560006968254464/2563658685308928/STEM/92848507-f6ef-46ae-b542-f6c8d4932e1d.png)
(1)求证:四边形
是平行四边形;
(2)若
,
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2020/9/29/2560006968254464/2563658685308928/STEM/92848507-f6ef-46ae-b542-f6c8d4932e1d.png)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54f59859698f3cfdfe285b3cdb95125.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f951e874c46b9ee8ac55914f0ee5a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec577daa119b13413aafbd667f8922be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f846c5451dddbc19a4a823fe294e6f3b.png)
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