如图,AB∥CD,点E在BC上,且CD=CE,∠D=72°,则∠B的度数为( )
![](https://img.xkw.com/dksih/QBM/2016/9/21/1574236425535488/1574236430999552/STEM/1e164cac-8664-4a8b-a74c-f67d1ef254ec.png?resizew=192)
![](https://img.xkw.com/dksih/QBM/2016/9/21/1574236425535488/1574236430999552/STEM/1e164cac-8664-4a8b-a74c-f67d1ef254ec.png?resizew=192)
A.36° | B.68° | C.22° | D.16° |
更新时间:2016-12-06 05:35:07
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【推荐1】如图,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4bba36e07410f2186c863c4ed88116.png)
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【推荐2】如图,直线
,一直角三角板ABC(∠ACB=900)放在平行线上,两直角边分别与
、
交于点D、E,现测得∠1=750,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/8/2/2260066696380416/2262350320877568/STEM/2ce8f48dddac4a0a82d8af9f3cb8ec17.png?resizew=120)
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A.15° | B.25° | C.30° | D.35° |
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【推荐1】如图,
为
的直径,点
在
上,若
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的度数是( )
![](https://img.xkw.com/dksih/QBM/2023/1/6/3147049316818944/3148361348653056/STEM/efb6b2b6a1274f63b461903428657469.png?resizew=103)
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![](https://img.xkw.com/dksih/QBM/2023/1/6/3147049316818944/3148361348653056/STEM/efb6b2b6a1274f63b461903428657469.png?resizew=103)
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【推荐2】如图,在等腰三角形
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A.![]() | B.![]() | C.![]() | D.![]() |
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