document.write( "Question 498069: How do you determine if certain coordinates make a parallelogram? \n" ); document.write( "

Algebra.Com's Answer #337082 by scott8148(6628) $\"\"$ $\"About$

You can put this solution on YOUR website!
find the slopes of the lines formed by the pairs of points, same slope means parallel lines
\n" ); document.write( "___ if the opposite sides are parallel, that's the definition of a parallelogram \n" ); document.write( "

\n" );