document.write( "Question 317332: in parallelogram abcd, m\n" ); document.write( "

Algebra.Com's Answer #227271 by Fombitz(32388) $\"\"$ $\"About$

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I assume the angle are in order a,b,c,d.
\n" ); document.write( " $\"a=c\"$
\n" ); document.write( " $\"b=d=60\"$
\n" ); document.write( "The four angles in the parallelogram sum to 360.
\n" ); document.write( " $\"a%2B60%2Bc%2B60=360\"$
\n" ); document.write( " $\"2a=240\"$
\n" ); document.write( " $\"a=120\"$
\n" ); document.write( " $\"highlight%28c=120%29\"$ \n" ); document.write( "

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