如图,在四边形ABCD中,E是BC的中点,连接AC,AE,若AB=AC,AE=CD,AD=CE,则图中的全等三角形有( )
![](https://img.xkw.com/dksih/QBM/2019/10/9/2308126222360576/2308525854556160/STEM/f3df40869dc7493e8f445e99a7324d22.png?resizew=101)
![](https://img.xkw.com/dksih/QBM/2019/10/9/2308126222360576/2308525854556160/STEM/f3df40869dc7493e8f445e99a7324d22.png?resizew=101)
A.0对 | B.1对 | C.2对 | D.3对 |
19-20八年级上·全国·课后作业 查看更多[3]
沪科版八年级数学上册 14.2 全等三角形(已下线)【万唯原创】2017年陕西-试题研究专项-选填全真模拟演练12【冀教版】八年级上册第十三章 全等三角形 13.3 全等三角形的判定 第一课时 全等三角形的判定(一)(SSS)
更新时间:2019-10-10 12:48:37
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【知识点】 用SSS直接证明三角形全等(SSS)解读
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【推荐1】如图,在
,
上分别截取
,
,使
,再分别以点
,E为圆心,以大于
的长为半径作弧,两弧在
内交于点
,作射线
,
就是
的角平分线.这是因为连接
,
,可得到
,根据全等三角形对应角相等,可得
.在这个过程中,得到
的条件是( )
![](https://img.xkw.com/dksih/QBM/2022/11/6/3103699840286720/3105714584682496/STEM/5334dc2a34fc4e8397b99cfa2949febd.png?resizew=144)
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![](https://img.xkw.com/dksih/QBM/2022/11/6/3103699840286720/3105714584682496/STEM/5334dc2a34fc4e8397b99cfa2949febd.png?resizew=144)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图所示,在△ABC中,BC=AC,BE=AE,则由“SSS”可以判定( )
![](https://img.xkw.com/dksih/QBM/2017/12/1/1829270860472320/1830025256198144/STEM/bb9205c114ef4232ae4718754f39aa99.png?resizew=55)
![](https://img.xkw.com/dksih/QBM/2017/12/1/1829270860472320/1830025256198144/STEM/bb9205c114ef4232ae4718754f39aa99.png?resizew=55)
A.△ACD≌△BCD | B.△ADE≌△BDE | C.△ACE≌△BCE | D.以上都对 |
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