如图,
是等边三角形,
是
上的高,
,图中与
(
除外)相等的线段共有( )条
![](https://img.xkw.com/dksih/QBM/2021/1/16/2637026313568256/2644493827162112/STEM/e978d01a-285f-4909-aa14-e05c796d5544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb73f854e7561c943b460e6c84e26fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/2021/1/16/2637026313568256/2644493827162112/STEM/e978d01a-285f-4909-aa14-e05c796d5544.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-01-26 08:19:22
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【推荐1】如图,∠1=62°,若m∥n,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/2017/3/28/1653751562936320/1657045350727680/STEM/0056782cb3d2460589bdd3f8c57c4921.png?resizew=150)
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【推荐2】如图,三角板的直角顶点在直尺的一边上.若
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,在等边
中,
交
于点
,若
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( )
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388309493661696/2389581967073280/STEM/00c975faafcb42cebd32eb7bf0bcb427.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388309493661696/2389581967073280/STEM/00c975faafcb42cebd32eb7bf0bcb427.png?resizew=147)
A.2 | B.3 | C.![]() | D.4 |
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【推荐2】如图,在等边三角形
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是高
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是边
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运动的过程中,存在
的最小值,则这个最小值是( )
![](https://img.xkw.com/dksih/QBM/2021/12/7/2867378966921216/2871887331827712/STEM/91062fa5-082a-4265-90cc-01ea82d71f99.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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A.5 | B.6 | C.7 | D.8 |
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【推荐1】如图,在矩形
中,O为
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过O点且
分别交
于F,交
于E,点G是
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(1)
;(2)
;(3)
是等边三角形;(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3934799007d630a891824657df90a859.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09d1c96a41e6fcd9c5afd8af977fd96.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ba5d2df59d14af6d0b73a16664806a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7350c491f8db16e3b1fcf8c1a0498b.png)
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A.0个 | B.1个 | C.2个 | D.3个 |
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