document.write( "Question 159105This question is from textbook Elementary Geometry for College Students
\n" ); document.write( ": Write a formal proof of the corollary.\r
\n" ); document.write( "\n" ); document.write( "The opposite angles of a parallelogram are congruent.
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Algebra.Com's Answer #117383 by midwood_trail(310)\"\" \"About 
You can put this solution on YOUR website!
Did you try the statements vs reasons chart method?\r
\n" ); document.write( "\n" ); document.write( "Do you know how to use it?\r
\n" ); document.write( "\n" ); document.write( "What do you know about parallelograms? What do you know about corollaries?\r
\n" ); document.write( "\n" ); document.write( "If not, write back.\r
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