The following information is given about a trapezoid: A trapezoid is isosceles if its non-parallel sides are congruent. Trapezoi
d ABCD is not isosceles. Based on the information, which statement is a valid conclusion about Trapezoid ABCD?
-The parallel bases are congruent.
-The non-parallel sides are perpendicular,
-The non-parallel sides are not congruent.
-One base and one non-parallel side are perpendicular.
