初中数学110分以上,必须掌握的辅助线口诀,拿走不谢
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzIyMTAvMjEzNjUxNDg2XzJfMjAyMTAxMjIxMDUyMzE3.jpg)
解几何题时,当题目给出的条件不够时,我们常通过添加辅助线构成新图形,形成新关系,使分散的条件集中,把问题转化为自己能解决的问题,这便是辅助线的作用。
下面分数君分享常见的几何辅助线口诀,赶紧收藏吧!
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzIyMTAvMjEzNjUxNDg2XzNfMjAyMTAxMjIxMDUyMzExOTQ=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzIyMTAvMjEzNjUxNDg2XzRfMjAyMTAxMjIxMDUyMzEyMjk=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzIyMTAvMjEzNjUxNDg2XzVfMjAyMTAxMjIxMDUyMzE2MzM=.jpg)
![](http://pic.ikafan.com/imgp/L3Byb3h5L2h0dHBzL2ltYWdlMTA5LjM2MGRvYy5jbi9Eb3dubG9hZEltZy8yMDIxLzAxLzIyMTAvMjEzNjUxNDg2XzZfMjAyMTAxMjIxMDUyMzIxNzk=.jpg)
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解几何题时,当题目给出的条件不够时,我们常通过添加辅助线构成新图形,形成新关系,使分散的条件集中,把问题转化为自己能解决的问题,这便是辅助线的作用。
下面分数君分享常见的几何辅助线口诀,赶紧收藏吧!