document.write( "Question 271945: A quadrilateral MUST be a parallelogram if it has ____ \n" ); document.write( "
Algebra.Com's Answer #198994 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has both pairs of its opposite sides parallel. \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has both pairs of its opposite sides congruent (or equal in measure). \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has one pair of opposite sides both parallel and congruent. \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has both pairs of its opposite angles congruent (or equal in measure). \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has both diagonals bisecting each other. \n" ); document.write( "A quadrilateral MUST be a parallelogram if it has all of its pairs of consecutive angles supplementary. \r \n" ); document.write( "\n" ); document.write( "Edwin \n" ); document.write( " |