万能v2求助~ - V2EX
utom

万能v2求助~

  •  
  •   utom Aug 19, 2010 6117 views
    This topic created in 5750 days ago, the information mentioned may be changed or developed.
    已知ABC为三角, 边AB 长度为 w, AB和AC长度相等, BC长度为 n, A坐标(xA, yA), B坐标(xB, yB); 求C坐标(xC, yC)
    7 replies    1970-01-01 08:00:00 +08:00
    GordianZ
        1
    GordianZ  
       Aug 19, 2010
    画个图用勾股定理都能算出来,就这么点动手能力都没有?
    http://en.wikipedia.org/wiki/Triangulation
    badec
        2
    badec  
       Aug 19, 2010
    呃,确实也有数学不好的人.
    utom
        3
    utom  
    OP
       Aug 19, 2010
    (xa-xb)+(ya-yb)=w
    (xa-xc)+(ya-yc)=w
    (xb-xc)+(yb-yc)=n

    求xc yc
    utom
        4
    utom  
    OP
       Aug 19, 2010
    @GordianZ 确实也有经常不用的人~ 忘了
    lianghai
        5
    lianghai  
       Aug 19, 2010
    @utom 你怎么一上来就发这种雷人问题……
    explon
        6
    explon  
       Aug 19, 2010
    无聊人士
    jiangxiaolei
        7
    jiangxiaolei  
       Aug 19, 2010
    炫耀贴~
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