document.write( "Question 432313: Given: angle 1 is congruent to angle 3
\n" ); document.write( "Prove: triangle ABC is isosceles
\n" ); document.write( "

Algebra.Com's Answer #299765 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Given: angle 1 is congruent to angle 3
\n" ); document.write( "Prove: triangle ABC is isosceles
\n" ); document.write( "--------
\n" ); document.write( "Not enough information
\n" ); document.write( "
\n" );