名校
解题方法
1 . 设
,
为梯形ABCD的两个内角,且满足:
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd71803df3c72c63ee5fe30661b1a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a61c0b3c531f0d4341289e8aa27180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8e9f91622d0b1dd9f33d6873963c0f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-01-21更新
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865次组卷
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3卷引用:浙江省宁波市慈溪市2021-2022学年高三上学期期末数学试题