下列尺规作图中,OP是△OMN的中线的是( )
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更新时间:2022-04-19 19:39:36
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【推荐1】如图,在△ABC中,D、E分别是BC、AD的中点,S△ABE=2,则△ADC的面积为( )
![](https://img.xkw.com/dksih/QBM/2019/10/14/2311883173470208/2313809616027649/STEM/a53a6bd097074244a3ca49950dcb1f6f.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2019/10/14/2311883173470208/2313809616027649/STEM/a53a6bd097074244a3ca49950dcb1f6f.png?resizew=119)
A.3 | B.4 | C.5 | D.6 |
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【推荐2】如图,
是
的中线,
是
的高线,
,那么点D到
的距离是( )
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95abee9eebae62a8d15c5541c542cb92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/aa9ea021-f2f0-40e3-897d-c7de7eb0e31b.png?resizew=152)
A.![]() | B.![]() | C.![]() | D.2 |
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【推荐1】某旅游景区内有一块三角形绿地
,现要在道路
边上建一个休息点M,使它到
和
两边的距离相等,下列作法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c117598b87be788e7b33156ebb370161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在
中,
,利用尺规在
,
上分别截取
,
,使
;分别以
,
为圆心、以大于
的长为半径作弧,两弧在
内交于点
;作射线
交
于点
,过
作
于点
,若
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55b6ce55e67f6e95e616eaf1ca3f6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65026a6b6402cb599e14be8023a3f6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8b45f1ad75cbde0c9eda71e0f02e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bac85acd08629d499dd225e31d12c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae626b30192bba5c433d399bba65411.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/4/7974d2f9-1721-4059-8ba0-8379f189daf7.png?resizew=217)
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【推荐1】如图,在
中,
,
,
.按以下步骤作图:①分别以B、C为圆心,大于
为半径作弧,两弧相交于点M和点N;②作直线
;③以点D为圆心,
的长为半径画圆弧,连接
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2023/5/5/3230956203769856/3233222750560256/STEM/1c6e176db3bb447a9da6136063372e90.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d452f74791f58e8400cb8d2d6038dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2023/5/5/3230956203769856/3233222750560256/STEM/1c6e176db3bb447a9da6136063372e90.png?resizew=197)
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【推荐2】如图,在
中,
,按下列步骤作图:①分别以点A和点C为圆心,大于
一半的长为半径作圆弧,两弧相交于点M和点N;②作直线
,与边
相交于点D,与边
相交于点E,连结
.下列说法不一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/25/e34f5c9d-4800-4cf8-b1b8-7df2f9a89ef2.png?resizew=164)
A.![]() | B.![]() | C.![]() | D.![]() |
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