SOLUTION: given: Isosceles trapezoid ABCD <ABE=<AEB prove ADCE is a parallelogram

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Question 199297: given: Isosceles trapezoid ABCD
prove ADCE is a parallelogram
Answer by tutorvolunteer(9) About Me  (Show Source):
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It isn't. An isosceles triangle by definition is a quadrilateral with a pair of congruent legs (not necessarily parallel) and a pair of parallel bases (not necessarily congruent).