Brandy's dog weighed 20 kg last year. She weighs 23 kg this year. Brandy thinks her dog increased in its weight by 15% from last year to this year. Is she correct? How do you know.

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.