Mathematics, 25.06.2019 14:30 hjlhdjfhjh

Given ad=cf bc=de prove: ab=ef 1. ad=cf given 2. ad= ab + bc +cd cf=cd +de + ef segment addition 3. ab+bc+cd= cd +de +ef transitive property of equality 4. ab+bc=de +ef 5. bc=de given 6. ab=ef what is the reason for the for statement in this proof

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Given ad=cf bc=de prove: ab=ef 1. ad=cf given 2. ad= ab + bc +cd cf=cd +de + ef segment addition 3....