如图,点A,B,C在⊙O上,∠ABC=26°,过点C作⊙O的切线交OA的延长线于点D,则∠D的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/74384c40-33c3-4f30-ae4f-38ee6806cd14.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/74384c40-33c3-4f30-ae4f-38ee6806cd14.png?resizew=172)
A.26° | B.52° | C.28° | D.38° |
2020·山东青岛·一模 查看更多[3]
更新时间:2021-03-05 08:46:18
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【推荐2】如图,
中,
分别是高和角平分线,点
在
的延长线上,
,交
于点
,交
于点
,下列结论中正确的结论有( )
①
;
②
;
③
;
④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3df181d7515236e6036dba9c80a9ad.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e2c2253a4a537377f0d7b267357095.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125ad426e7a675d90219da8071e5d87f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3437a67c77e9b50d15622b9631865f5a.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb3f1b6dd198777fe684c97329e2b71.png)
A.①②③ | B.①③④ | C.①②④ | D.①②③④ |
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【推荐1】下列命题正确的是( )
A.圆心角的度数等于圆周角的度数的2倍 |
B.有两边相等的平行四边形是菱形 |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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【推荐2】如图,
是
的内接三角形,
,
,把
绕圆心
按逆时针方向旋转
得到
,点
的对应点为点
,则点
,
之间的距离是()
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A.1 | B.![]() | C.![]() | D.2 |
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【推荐1】如图,已知AB是半圆⊙O的直径,C是BA延长线上一点,CD切半圆⊙O于点E,BD⊥CD于点D,若CD=8,BD=6,则半圆⊙O的半径为( )
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【推荐2】如图,
是
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交
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与
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等于( )
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