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Mathematics, 20.04.2021 22:00 245cat

U Proving the Parallelogram Side Theorem

Given: ABCD is a parallelogram.

Prove: AB CD and BC DA

Angles Segments Triangles Statements

Reasons

given

def of parallelogram

unique line postulate

def. of alt interior angles

Statements

Reasons

Demo

Intro

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U Proving the Parallelogram Side Theorem

Given: ABCD is a parallelogram.

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