document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475809>Question 475809</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a two column proof. I have no idea how to solve proofs. Please help!\r<BR>\n" );
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document.write( "Given: AC=EC; B is the midpoint of line AC; D is the midpoint of line EC.<BR>\n" );
document.write( "Prove: BC=DC </SPAN>\n" );
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document.write( "We have AC = EC, and B is the midpoint of AC, D is the midpoint of EC. Hence we can say that BC = AC/2. Similarly, DC = EC/2. We now know that BC = DC because AC/2 = EC/2 (taken from our first equation). </SPAN>\n" );
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