my description is about math i want to know if a quadrilateral have 4 congruent sides and 2 pairs of congruent angles 4/9/2014 | Christina from Mount Auburn, IL | 2 Answers | 0 Votes Mark favorite Subscribe Comment
A quadrilateral is a plane closed figure of 4 sides. That is the only requirement of the definition. 4/12/2014 | Michael F. Comment