如图,已知钝角△ABC,老师按照如下步骤尺规作图:
步骤1:以C为圆心,CA为半径画弧①;
步骤2:以B为圆心,BA为半径画弧②,交弧①于点D;
步骤3:连接AD,交BC延长线于点H .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/159abf22-271a-423b-8b52-3d75a2fdd3fd.png?resizew=182)
小明说:图中的BH⊥AD且平分AD.
小丽说:图中AC平分∠BAD.
小强说:图中点C为BH的中点.
他们的说法中正确的是___________ .他的依据是_____________________ .
步骤1:以C为圆心,CA为半径画弧①;
步骤2:以B为圆心,BA为半径画弧②,交弧①于点D;
步骤3:连接AD,交BC延长线于点H .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/159abf22-271a-423b-8b52-3d75a2fdd3fd.png?resizew=182)
小明说:图中的BH⊥AD且平分AD.
小丽说:图中AC平分∠BAD.
小强说:图中点C为BH的中点.
他们的说法中正确的是
2017·北京昌平·二模 查看更多[4]
北京市昌平区2017年初三二模数学试卷2017年北京昌平初三数学二模试卷(已下线)【万唯原创】2021年安徽省面对面-练习册-第30课时-第31课时(已下线)【万唯原创】2021年河南试题研究-练习册-第七章 图形的变化1+2
更新时间:2017-05-25 15:45:57
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