13) Solve the system of equations by elimination.
2x-y =7
x + 3y = 0...
Mathematics, 17.03.2020 03:16 ronaldo22
13) Solve the system of equations by elimination.
2x-y =7
x + 3y = 0
Answers: 3
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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.
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