如图,在四边形
中,
,
,在直线
上分别找一点
, 使得
的周长最小时,则
的度数为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7123fba1c19326e3f3050c9287ff44c3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358c69b4f6c350c35d19d33c69f2a2a8.png)
![](https://img.xkw.com/dksih/QBM/2020/9/24/2556792599166976/2556874654892032/STEM/d9f4c39f3b624dd78c7de5834ba9dacc.png?resizew=151)
19-20七年级下·河南驻马店·期末 查看更多[2]
更新时间:2020-09-24 21:17:42
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【推荐1】等腰三角形的一个外角为100°,则这个等腰三角形的顶角为________ ;等腰三角形一腰上的高与腰的夹角为36°,则该等腰三角形的顶角为______ .
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【推荐2】如图,
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