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Quick Vector Question

  1. Feb 17, 2010 #1
    Let A', B', C' be the midpoints of the sides BC, CA, AB of the triangle ABC. Show that [tex]\overline{AA'}[/tex]+[tex]\overline{BB'}[/tex]+[tex]\overline{CC'}[/tex]=[tex]\overline{0}[/tex]
     
  2. jcsd
  3. Feb 17, 2010 #2
    Have you tried writing out the formula for the midpoints in terms of the vertices A,B,C and inserting this into the equation?
     
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