What are the conditions that guarantee a quadrilateral is a parallelogram?
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What are the conditions that guarantee a quadrilateral is a parallelogram?
What are the conditions that guarantee a quadrilateral is a parallelogram?
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Answer:
Conditions that guarantee a quadrilateral is a parallelogram
1.The quadrillateral has two pairs of parallel opposite sides and two pairs of congruent opposite sides.
2.Two opposite sides that are both parallel and congruent.
3.Two pairs are congruent opposite angles.
4.The diagnostic bisect each other.