已知四边形ABCD是由△ABC与△ACD拼接而成的,且在△ABC中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/6dddb246-56ad-4b20-9133-174ea2855cbe.png?resizew=205)
(1)求角B的大小;
(2)若∠
.求AB的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293d0109ce162147699ffc58dc5c8ba5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/17/6dddb246-56ad-4b20-9133-174ea2855cbe.png?resizew=205)
(1)求角B的大小;
(2)若∠
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a34748f9b54925a1bc58b14ee1db20.png)
更新时间:2022-09-14 10:35:24
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【推荐1】在
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【推荐2】由扇形
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解答题-问答题
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适中
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【推荐1】已知平面四边形ABCD,
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(1)求
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(2)若
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解答题-问答题
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适中
(0.65)
解题方法
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