document.write( "Question 664785: the proof is
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document.write( "Given: AB = CD
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document.write( "prove AC = BD\r
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document.write( "AB = CD
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document.write( "BC = BC
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document.write( "AB + BC = CD + BC
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document.write( "AB + BC = BD
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document.write( "BC + CD = AC
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document.write( "AC = BD \n" );
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Algebra.Com's Answer #413468 by Seutip(231)![]() ![]() 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. \n" ); document.write( " \n" ); document.write( " |