SOLUTION: the proof is Given: AB = CD prove AC = BD AB = CD BC = BC AB + BC = CD + BC AB + BC = BD BC + CD = AC AC = BD

SOLUTION: the proof is Given: AB = CD prove AC = BD AB = CD BC = BC AB + BC = CD + BC AB + BC = BD BC + CD = AC AC = BD

Algebra.Com

Question 664785: the proof is
Given: AB = CD
prove AC = BD
AB = CD
BC = BC
AB + BC = CD + BC
AB + BC = BD
BC + CD = AC
AC = BD
Answer by Seutip(231) (Show Source): You can put this solution on YOUR website!
I found a link for that one boy, http://mathforum.org/library/drmath/view/54669.html Hope that help.

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