如图,在
中,
,点
是边
的中点,以
为底边向上作等腰
,使得
交
于点
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/9faeda06-1a9d-4e15-8341-6b727acbf084.png?resizew=147)
(1)若
,求
的度数;
(2)若
.
①求证:
;
②设
,求
的长(用含
的代数式表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d461a7c0b86a2f09c2ea17f38260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e50ffaba29591d84ffa294bb817acae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4b2e50ece04b0993360308e7907140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/9faeda06-1a9d-4e15-8341-6b727acbf084.png?resizew=147)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b030708f7e622f3f992649b21eec6b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9c1e0c3cab6b7bb3229221f4310ab0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dcc03dc69a20ba0633035e5b8abb80.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed126eea43f2dd2184e533280a6b357.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3d296e0d7154a170cb7d3ae42989b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c8034aef9ecb15c709331282b96eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
23-24八年级上·浙江杭州·期末 查看更多[2]
更新时间:2024-03-09 12:00:30
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相似题推荐
解答题-问答题
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适中
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名校
【推荐1】如图,在
中,
,
,点
,
分别在坐标轴上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/d997bb86-e5cc-4e87-9779-44f782acaad6.png?resizew=518)
(1)如图1,若点
的横坐标为
,求点
的坐标.
(2)如图2,若
轴恰好平分
,
交
轴于点
,过点
作
垂直
轴于
点,试猜想线段
与
的数量关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/d997bb86-e5cc-4e87-9779-44f782acaad6.png?resizew=518)
(1)如图1,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edbd40e04e2a943051fa83d6e511add.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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您最近一年使用:0次
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【推荐2】如图,阳阳为了测量高楼
,在旗杆
与楼之间选定一点
,
,量得点
到楼底距离
与旗杆高度
相等,等于
米,量得旗杆与楼之间距离
米.若
,
,求楼高
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
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解答题-作图题
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【推荐1】如图,在△ABC中,按要求完成下列各小题(尺规作图,保留作图痕迹,不写作法).
(1)作∠ABC的角平分线BD交AC于点D;
(2)作BC的垂直平分线交BC于点E,交
于点
;
(3)连接CF,若∠A=60°,∠ABD=24°,请求出∠ACF的度数
(1)作∠ABC的角平分线BD交AC于点D;
(2)作BC的垂直平分线交BC于点E,交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)连接CF,若∠A=60°,∠ABD=24°,请求出∠ACF的度数
![](https://img.xkw.com/dksih/QBM/2021/12/2/2863663324512256/2866737854332928/STEM/1def7923-dd2a-4348-a709-6b4f988c0919.png?resizew=183)
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解答题-证明题
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适中
(0.65)
【推荐2】如图,⊙O中,点A为弧BC中点,BD为直径,过A作AP
BC交DB的延长线于点P.
(1)求证:PA是⊙O的切线;
(2)若BC=2
,AB=2
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(1)求证:PA是⊙O的切线;
(2)若BC=2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
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解答题-问答题
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【推荐1】已知
和
都是等腰直角三角形,
,
,
的顶点A在
的斜边
上,若
,
,求
的长.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b265d121f9ebc13671a5719604476a.png)
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【推荐2】已知
中,
,
,设
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的最大值为____________ .
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解答题-证明题
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【推荐1】如图,
中,
于点
,点
,
分别是
,
的中点,连接
,
,
.
(1)求证
.
(2)若四边形
的周长是
,
的周长是
.求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4744b427f036dfbc6db68c87cd5c54.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/2/9a4de13f-d1b2-4835-8472-46358c1157bc.png?resizew=158)
(1)求证
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(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a39cf1a9eedda28c63f13ea478ec6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1834490aacbee800ed5721312f4be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解答题-证明题
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【推荐2】求证:如果三角形一边上的中线等于这边长的一半,那么这个三角形是直角三角形.
已知:
求证:
作图:
证明:
已知:
求证:
作图:
证明:
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