Ch 1-8 (indirect proof) Geometry

Directions : use indirect reasoning to draw a conclusion in each situation

a factor of a whole number is a whole number that divides evenly into the given number. The number x does not divide evenly into 6

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.