Match the following. 1 . isosceles trapezoid a trapezoid that has two congruent sides (other than the bases) 2 . triangle a quadrilateral with one pair of parallel sides 3 . line symmetry a polygon with three sides 4 . line of symmetry property where a figure can be folded along a line to create two congruent mirror images 5 . rotational symmetry the line which divides a figure into two congruent mirror images 6 . trapezoid property where a figure can be rotated less than 360° and still look the same