在边长为1的小正方形组成的网格中,
的顶点均在格点(网格线的交点)上.
关于直线l成轴对称的
;
(2)在边
上确定一点D,使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)在边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d977fa78c8db80c78600fdc77f0cce.png)
2024·安徽合肥·二模 查看更多[1]
更新时间:2024-05-12 11:38:16
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,
三个顶点坐标分别为
.
(1)判断
的形状,并说明理由;
(2)在x轴上有一点P,使得
最小,求P点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e671e6d03a52195d763d6d35e6c5d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/26/2a9dcf2e-03fb-4ce1-a510-847e9fb5ede8.png?resizew=254)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)在x轴上有一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd0e0998af5a2ade1ad62c5516eed0c.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知反比例函数
上的图象与一次函数
的图象交于点
和点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/bfdcd4b8-3216-4200-a4f7-a865f49d8831.png?resizew=153)
(1)求
的函数关系式;
(2)观察图象,直接写出使得
成立的自变量x的取值范围;
(3)如果点C与点A关于x轴对称,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5698fdca52f0b841d952897c6621a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a177a71f478503df316044a9b4f740cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62df44c7a00c7c8e025772b31bdf37cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88508d2309500170e3cc584c9cdf6c72.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/bfdcd4b8-3216-4200-a4f7-a865f49d8831.png?resizew=153)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)观察图象,直接写出使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
(3)如果点C与点A关于x轴对称,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-证明题
|
适中
(0.65)
真题
【推荐1】如图,Rt△AB ¢C ¢是由Rt△ABC绕点A顺时针旋转得到的,连结CC ¢交斜边于点E,CC ¢的延长线交BB ¢于点F.
![](https://img.xkw.com/dksih/QBM/2010/12/17/1574131199885312/1574131273334784/STEM/6bf7eca04cb146e2ac93d903107f33ef.png)
(1)证明:△ACE∽△FBE;
(2)设∠ABC=
,∠CAC ¢ =
,试探索
、
满足什么关系时,△ACE与△FBE是全等三角形,并说明理由.
![](https://img.xkw.com/dksih/QBM/2010/12/17/1574131199885312/1574131273334784/STEM/6bf7eca04cb146e2ac93d903107f33ef.png)
(1)证明:△ACE∽△FBE;
(2)设∠ABC=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c62c14a017007a6bdfe25eada9c433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c62c14a017007a6bdfe25eada9c433.png)
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解答题-证明题
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适中
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【推荐2】问题探究
(1)如图1所示,在
中,
,
是
的高.
求证:①
;②
.
迁移运用
(2)如图2所示,圆内接四边形
中,对角线
是直径,
,
,若
,
,求
.
(1)如图1所示,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf629bfb2d7b9daea6f2c1553360af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
求证:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46887681820d8e486bcb1a0d7c051bec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dfd9d89d13e23dd59a4627bf9508d6.png)
迁移运用
(2)如图2所示,圆内接四边形
![](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/c4dd6e7c88601b4c50b06f1238fdd95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7cbfaec1d9dcaaf159b060163436113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e1a727ba332984ad857b3d25344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/3/a41ab30a-125a-459f-9339-c05fab261da8.png?resizew=296)
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