congruent diagonals

Are The Bases Of An Isosceles Trapezoid Congruent? Now, if a trapezoid is isosceles, then the legs are congruent, and each pair of base angles are congruent. In other words, the lower base angles are congruent, and the upper base angles are also congruent. Does an isosceles trapezoid have congruent diagonals? Isosceles trapezoids also have