6.4 Proving Quadrilaterals are Parallelograms Flashcards by Lindsey McBride | Brainscape

Q

If both pairs of opposite angles of a quadrilateral are congruent then…

A

The quadrilateral is a parallelogram

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Q

If both pairs of opposite sides of a quadrilateral are congruent then…

A

the quadrilateral is a parallelogram

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Q

If an angle of a quadrilateral is supplementary to both of its consecutive angles then…

A

Then the quadrilateral is a parallelogram

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Q

If the diagonals of a quadrilateral bisect eachother then…

A

The quadrilateral is a parallelogram

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Q

If one pair of opposite sides of a quadrilateral is congruent and parallel then

A

The quadrilateral is a parallelogram

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