如图,在
中,
,按以下步骤作图:①以点
为圆心,以小于
的长为半径作弧,分别交
,
于点
,
;②分别以点
,
为圆心,以大于
的长为半径作弧,两弧相交于点
;③连接
,交
于点
.若
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432cce1481829c4dfe2bd557f6e9aa4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.4 | B.5 | C.6 | D.7 |
更新时间:2021-06-06 13:18:34
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,已知
,以点
为圆心,适当长为半径画弧,交
于点
,交
于点
,分别以点
,
为圆心,大于
的长为半径画弧,两弧在
的内部相交于点
,点
在射线
上,过点
作
,
,垂足分别为点
,
,点
,
分别在
,
边上,
.若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/52d092504d3c33c48be43f23b788efd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275a9dae70456d8af0269613dc7f1c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c9a3862ac88ab9c2493aa1a7a34bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76edc8ec92b3679551bc1fa7e349e9d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d958f5219b501284e1554d9a8aec3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0f77f21d7f1f0a55c39850f56487f9.png)
A.![]() | B.6 | C.![]() | D.9 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
是正方形
的对角线
上一点,
于点
,
于点
,连接
,
.给出下列结论:①
;②
;③
;④
.其中结论正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ef99db257cc1acb08e3a5e0006d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544204617f1eb4e26a082a72d27d0bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7187f42d8d3b94de9ad65615ad1c2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f1aadf4291d961038e8db73a1b4098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d18e0b20763e76ee99054cf47b2460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461b5b33f1bee2cee89b70a53bed6f04.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在△ABC 中,∠C=90°,以点B 为圆心,任意长为半径画弧,分别交AB、BC于点M、N分别以点M、N为圆心,以大于
MN的长度为半径画弧两弧相交于点P过点P作线段BD,交AC于点D,过点D作DE⊥AB于点E,则下列结论①CD=ED;②∠ABD=
∠ABC;③BC=BE;④AE=BE中,一定正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/6/13/2224958655299584/2227689766608896/STEM/f538b45d80434031a9b215329f548214.png?resizew=88)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2019/6/13/2224958655299584/2227689766608896/STEM/f538b45d80434031a9b215329f548214.png?resizew=88)
A.①②③ | B.① ② ④ | C.①③④ | D.②③④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在△ABC中,∠C=90°,∠B=30°,以A为圆心,任意长为半径画弧,分别交AB、AC于点M、N,再分别以M、N为圆心,大于
MN的长为半径画弧,两弧交于点P,连结AP并延长交BC于点D,则以下结论:①AD是∠BAC的平分线,②点D在AB的垂直平分线上,③AB=2AC,④
=2
,其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/02eb0410-e08b-4925-91d7-6185577451c8.png?resizew=185)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f464ca903718791c7d7e882f292ff55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16c11daff691d44339986f50c2c1ab4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/02eb0410-e08b-4925-91d7-6185577451c8.png?resizew=185)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在△ABC中,∠C=90°,∠B=30°,以A为圆心,任意长为半径画弧分别交AB、AC于点M和N,再分别以M、N为圆心,大于
MN的长为半径画弧,两弧交于点P,连结AP并延长交BC于点D,若CD=2,则BD的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/79578f97-79bf-46dd-b1bf-3388ddeb938e.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/79578f97-79bf-46dd-b1bf-3388ddeb938e.png?resizew=173)
A.7 | B.6 | C.5 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】将正方形
与正方形
如图摆放,点
恰好落在线段
上.已知
,连接
,则
长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/a0e80702-d6d7-4785-ba70-afa2a78adeae.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc7ee0ef8945ba1b90e59aed7cab889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1f4896142be9b06147790d0a17511a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/a0e80702-d6d7-4785-ba70-afa2a78adeae.png?resizew=152)
A.![]() | B.![]() | C.![]() | D.3.5 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】我们知道:四边形具有不稳定性.如图,在平面直角坐标系中,边长为2的正方形
的边
在
轴上,
的中点是坐标原点
,固定点
,把正方形沿箭头方向推,使点
落在
轴正半轴上点
处,则点
的对应点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次