Math help needed: what is the justification for the fourth step (reason 4)?

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Nov 6th, 2015

Thank you for the opportunity to help you with your question!

parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle.

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Nov 6th, 2015

here are the choices

definition of a parrellelagram

converse of the alternate interior angles thereom

alternate interior angles theorem

sas congruence postulate

Nov 6th, 2015

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