如图,在矩形
中,对角线
相交于点
,
,垂足为
,且
.若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2023/9/26/3333133391544320/3333952902774784/STEM/a6fdee546e5b4d0aa9ffc199d669c439.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2d3ea3bdfca7111b823bb1c381a0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717e2acbcaf06db8d45acd14dc137920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb6823a329628699619a39cde927510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://img.xkw.com/dksih/QBM/2023/9/26/3333133391544320/3333952902774784/STEM/a6fdee546e5b4d0aa9ffc199d669c439.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.8 |
更新时间:2023-10-13 13:56:09
|
相似题推荐
单选题
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适中
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【推荐1】如图,
中,
的平分线交
于点
,过点
作
,
,垂足分别为
,
,下面四个结论:①
;②
垂直平分
;③
一定平行
;④
;其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/eb0fd4fd-661c-4a67-85d7-28ccd76ea0b3.png?resizew=139)
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.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/8b0328aeed9a9230535503f7c1b3f9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4844c0de09f10befa574e580059373e1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/eb0fd4fd-661c-4a67-85d7-28ccd76ea0b3.png?resizew=139)
A.①②④ | B.①②③ | C.①③④ | D.①②③④ |
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名校
【推荐2】如图,在
中,点E为
边的中点,按以下步骤作图:(1)以点E为圆心,任意长为半径画弧,分别交
于M、N两点;(2)分别以M、N两点为圆心,大于
的长为半径画弧,两弧交于点P;(3)作射线
交
于点F,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/753276d0-1263-4529-91c4-925bb28c0ad1.png?resizew=172)
则有:①
;②
;③
;④
.
在上面四个结论中,正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/753276d0-1263-4529-91c4-925bb28c0ad1.png?resizew=172)
则有:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07b92b8282c7fd1158b3b5098e38c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ac03e0b1559d3a64fefe22b807f6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bd3a52475e71b64c632d8887975e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc04f92f843fa94bc86a2b44823b875.png)
在上面四个结论中,正确的个数为( )
A.4 | B.3 | C.2 | D.1 |
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【推荐1】如图,点O是正六边形ABCDEF的中心,边心距OH=
,则AB的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/04ce2720-7187-40de-9e0a-9b9eb1efc006.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/12/04ce2720-7187-40de-9e0a-9b9eb1efc006.png?resizew=151)
A.1 | B.![]() | C.2 | D.3 |
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【推荐2】如图,在△ABC中,∠C=90°,∠A=30°,以点B为圆心,适当长为半径画弧,分别交BA,BC于点M,N;再分别以点M,N为圆心,大于
MN的长为半径画弧,两弧交于点P,作射线BP交AC于点D.则下列说法中不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/fc3efdf2-46a4-4845-9e3e-61a1ef75f08a.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfa1e7ffae662aefb49a44c52d4954d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/fc3efdf2-46a4-4845-9e3e-61a1ef75f08a.png?resizew=174)
A.BP是∠ABC的平分线 | B.![]() ![]() |
C.AD=BD | D.CD=![]() |
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【推荐1】如图,在平行四边形
中,用直尺和圆规作
的平分线
交
于点
,以
为圆心,
长为半径画弧交
于
,若
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
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A.8 | B.10 | C.12 | D.16 |
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【推荐2】如图,在
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,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f2946b8a503ff371bc5aba8103b17df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6e17b7a9d3cf87161512785cb65ab0.png)
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A.18 | B.18.6 | C.20 | D.19.6 |
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【推荐1】如图,在矩形
中,点D的坐标是
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的长是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/bfc25c17-846c-4444-b3bd-c1a46789c3c7.png?resizew=116)
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A.3 | B.4 | C.5 | D.6 |
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【推荐2】如图,ABCD是矩形,AC、BD相较于O,AE垂直平分BO,若
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A.2 | B.3 | C.4 | D.6 |
您最近一年使用:0次