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Quadrilaterals 4.5 Counterexample

Author:
Eric Zhang
Topic:
Quadrilaterals
This is a counterexample for #5 on "Quadrilaterals Worksheet #4," asking if a quadrilateral with one diagonal bisected by the other and one pair of opposite sides congruent is necessarily a parallelogram. The answer is no, as seen in AFCD, constructed from an actual parallelogram.

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