Factor each trinomial. then match the polynomial (term) on the left with its factored form (definition) on the right.

match term definition
x2 – 8x – 20 a) (x – 5)(x + 4)
x2 + 8x – 20 b) (x – 10)(x + 2)
x2 – x – 20 c) prime
x2 – 9x – 20 d) (x – 2)(x + 10)

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.