Consider the Trapezoid below. Keep an eye out for congruent angles, supplementary angles, congruent sides, parallel sides, and perpendicular sides. [br][br]What generalizations can you make about the properties of a trapezoid?

Consider the Isosceles Trapezoid below. Keep an eye out for congruent angles, supplementary angles, congruent sides, parallel sides, and perpendicular sides. [br][br]What generalizations can you make about the properties of a Isosceles trapezoid?