名校
1 . 如图,在锐角
中,
,
的面积为21,
的平分线交
于点D,M、N分别是
和
上的动点,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e98288acdd662de9a3dae1fcf0368.png)
您最近一年使用:0次
2023-07-18更新
|
371次组卷
|
4卷引用:2023年陕西省西安市碑林区西安市第六中中考模拟数学试卷
名校
2 . 问题提出
(1)如图1,已知点
为线段
上一动点,分别过点
作
,
,连接
. 若
,
,
,则
的最小值为 ;
问题解决
(2)如图2,某公园规划修建一块形如四边形
的牡丹园,其中
,
,
,
,
,
的内心
处修建一个圆形喷水池,公园的入口
是
的中点,
是一条观赏小道,其余部分种植牡丹,现需要在
边上取点
,
上找点
,修建道路
为了节省成本,需要使修建的道路最短,即
的值最小,是否存在这样的点
,使得
的值最小? 若存在,请求出其最小值;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/9bd8e23a-d34f-4e4d-b6fc-72f1436123d4.png?resizew=424)
(1)如图1,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757942f619e1f8d5296438829fb11b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8915e8e775538d41debf1933102c6b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5daa413c5a1b941452121c5d750a03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e46a7f185146052971adaeb14b3694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18444ec3e5e3b8a0cf488732c34866d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7225d7b261d697f92c76119bc2bd8c0d.png)
问题解决
(2)如图2,某公园规划修建一块形如四边形
![](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/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998329f9cdb86f5d60d7d5d70fc3781e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e81e88dbb23b243ce28429ce9e2353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a16dc02090b6e9263555061f14fbc8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6483ebae422a8aa8110f65cd61eb7b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54249b32f5db8aab778f03b5774e652f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6a87e27527e02b002e08b53ca27de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54249b32f5db8aab778f03b5774e652f.png)
您最近一年使用:0次
名校
3 . 如图,四边形
中,
,
,
,
,
,点
为直线
左侧平面上一点,
的面积为
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358fc84845695e6eb58ffdf82394a16b.png)
![](https://img.xkw.com/dksih/QBM/2023/5/24/3244468163002368/3245379937525760/STEM/23fc3014c8a54315ab5690680942bb73.png?resizew=162)
您最近一年使用:0次
2023-05-25更新
|
300次组卷
|
2卷引用:2023年陕西省西安高新第一中学中考六模数学试卷
4 . 如图,直线
平分正方形
的面积,直线
分别与
、
交于点
、
,
直线
于
,连接
,若
,则
长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39748bd3de9c56dfbe313e65645db6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/df71866a-ea92-485a-88a4-80f4fe883292.png?resizew=161)
您最近一年使用:0次
5 . 如图,在四边形
中,连接
,
与
互余,
、
分别是
、
的中位线,连接
,
,若
,
,则线段
的最小值为______ .
![](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/4189a0821a0ffab9dc171ecd279ba442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166c46d68d567af5cc92d33a1540b687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acd79bb9fb06f7c806eb6e17e4b613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/21/d3c59b4c-170d-4ff1-864f-fe76697b8cfc.png?resizew=272)
您最近一年使用:0次
22-23九年级上·四川绵阳·阶段练习
6 . 如图,已知:
,
,P是
上的一个动点,
的最小值为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0061285e8b6d5d30f678a46897dfb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d269dac71ea78cf60747f06542467507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f320075cb747d3a747bb6dd87c4814.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/f70c76bd-9e86-43ff-b19a-65269784485f.png?resizew=185)
您最近一年使用:0次
7 . 下列语句①两条射线组成的图形叫做角,②反向延长线段
得到射线
,③延长射线
到点C ,④若
,则点B是
中点,⑤连接两点的线段叫做两点间的距离, ⑥两点之间直线最短,正确的个数是 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a7b90fab1bccf7c24f47accdef159e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfcebaf384b1188364ac448f0d8f3fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99aa876de01cf41982a846583a52e489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
8 . (尺规作图,保留作图痕迹)如图,已知四点A,B,C,D,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/071e53a1-ad09-4d8f-bd2a-51b473b6c9da.png?resizew=117)
(1)作线段
,直线
,射线
;
(2)反向延长线段
到E,使
;
(3)在图中确定点O,使点O到A,B,C,D距离之和最小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/071e53a1-ad09-4d8f-bd2a-51b473b6c9da.png?resizew=117)
(1)作线段
![](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/6b1bd1adfe4cc6566218f19970c2fd3b.png)
(2)反向延长线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2291de85a2a29ff360a4515cce99c804.png)
(3)在图中确定点O,使点O到A,B,C,D距离之和最小.
您最近一年使用:0次
名校
9 . 如图,直线
与x轴,y轴分别交于点A和点B,C,D分别为线段
,
的中点,P为
上一动点,当
的值最小时,点P的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/44d51708-657d-4c94-92d7-0bd338500d09.png?resizew=320)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff71dea64f24d764f80771e4ff4a847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ed5b8cc2cae589e34399914071de8d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/44d51708-657d-4c94-92d7-0bd338500d09.png?resizew=320)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-10-23更新
|
724次组卷
|
6卷引用:陕西省商洛市商南县富水镇初级中学2021-2022学年八年级下学期期末测试数学试题
10 . 如图,在边长为4的正方形ABCD中,点E在BC边上,且BE=1,点P是AB边上的动点,连接PE以PE为直角边,以∠PEQ为直角作如图所示的等腰Rt△PEQ,则当DQ+CQ最小时AP的长为 _______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/f84f72cb-a284-4743-8d80-0d0880085640.png?resizew=214)
您最近一年使用:0次