已知,在等腰
中,
于点
,且
,则等腰
底角的度数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ee81b6066188abee9d167b6c7f3f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
更新时间:2021-02-24 20:26:51
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【知识点】 含30度角的直角三角形解读
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【推荐1】如图,已知
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【推荐2】如图,在等腰梯形ABCD中,AB//CD,DC=3cm,∠A=60°,BD平分∠ABC,则这个梯形的周长是_____________ cm.
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