document.write( "Question 1099789: If line ab = line bc, then what two angles are congruent and why? \n" ); document.write( "
Algebra.Com's Answer #714271 by ikleyn(53763)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Answer.  In isosceles triangle the angles at the base are congruent.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Why ?   -  To answer this question,  read the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Isosceles triangles\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );