document.write( "Question 77883: is a parrallelogram a rectangle-always,never,sometimes? \n" ); document.write( "
Algebra.Com's Answer #56018 by 303795(602)\"\" \"About 
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Sometimes.
\n" ); document.write( "The opposite sides are always the same length in a parallelogram.
\n" ); document.write( "If the angles in a parallelogram are 90 degrees as well then it is rectangle.
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