document.write( "Question 1016519: I need help solving this proof.
\n" ); document.write( "Given: D is the midpoint of AB; E is the midpoint of AC
\n" ); document.write( "Prove: DE is parallel to BC; DE=1/2BC\r
\n" ); document.write( "\n" ); document.write( "Please help! It is a two column proof
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Algebra.Com's Answer #632929 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
First, label all known congruent sides. From this, you can show that triangles ADE and ABC are similar with a 1:2 ratio, which establishes that DE = BC/2.\r
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\n" ); document.write( "\n" ); document.write( "By matching corresponding angles in triangles ADE and ABC, you can then show that DE || BC.
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