如图,AD是△ABC的高,已知∠1=∠B,∠C=70°.则∠BAC=______ °.
![](https://img.xkw.com/dksih/QBM/2019/6/5/2219163142602752/2222876928745472/STEM/ac590686a69f4e9bb6c174eaf1025096.png?resizew=127)
更新时间:2019-06-10 23:57:35
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【知识点】 三角形内角和定理的应用解读
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