(20pt) let the universal set u (1, 2,3,4,5,6,7,8, a-(2, 3, 5, 6), b (1,4, 6), and c 13, 4, 5). use this information to answer the following

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.