document.write( "Question 601805: m\n" ); document.write( "
Algebra.Com's Answer #380001 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint: with any parallelogram, the opposite angles are equal and each pair of adjacent angles are supplementary. So this means that \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "m < A = m < C\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "m < B = m < D\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "m < A + m < B = 180\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );