如图,矩形
的对角线相交于点O,过点O的直线分别交
于点E、F,若两阴影三角形面积分别是
、
,则矩形的面积是( )
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba48366317ebea1c9dd5e4e67e03092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f5f64fe3aabfc9136fff6b1afa84ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38309217f0970107f6f6e65a4c77bae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/ed1f6fa8-7dfe-40fc-a9dd-329f0a59153d.png?resizew=174)
A.14 | B.16 | C.24 | D.28 |
更新时间:2023-09-10 13:25:54
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【推荐1】如图,
是
的中线,
、
分别是
和
延长线上的点,且
,连结
、
.下列说法中正确的有( )
①
和
面积相等; ②
;
③
; ④
; ⑤
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/1a824260-6f54-4578-87d6-bf0dd64fefe2.png?resizew=225)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faabc484ce3666706c1beffda4bcfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba77f66ecad8eb4a7a63f169f28a3b7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f358b3182f937f67da213a8a27f3183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12780e6c777453dd8dfc0cca7ff034cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bb13740ac13266fe08f0f24948d5ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/1a824260-6f54-4578-87d6-bf0dd64fefe2.png?resizew=225)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
,且
与
的距离为
,
与
的距离为
,等腰直角
的三个顶点
、
、
分别在直线
、
、
上,
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2516bce1ce9500c6c5487e2bfbaca849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea5c8fe935beac660eda538e59cd43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2516bce1ce9500c6c5487e2bfbaca849.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2516bce1ce9500c6c5487e2bfbaca849.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82da6815bc213dfd78c2f77cd7ded8ed.png)
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名校
【推荐1】如图,矩形
中,点
在
上,且
平分
,
,
,则矩形
的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712395916910592/2715297346904064/STEM/1cfa266b-dd98-479c-9b1c-05a1783d3775.png)
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553a93e0b6156befa00b50bdfaef95d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712395916910592/2715297346904064/STEM/1cfa266b-dd98-479c-9b1c-05a1783d3775.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】四边形不具有稳定性,如图,矩形ABCD当改变内角大小就变成平行四边形ABC'D',若∠D'AB=30°,则平行四边形ABC'D'的面积与矩形ABCD的面积之比是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/dd18a4e8-0cd5-4e2d-9e50-6f22a5718a19.png?resizew=177)
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A.![]() | B.![]() | C.![]() | D.1 |
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