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 ->
Geometry-proofs
-> 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
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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.
