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8 Cards in this Set
- Front
- Back
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Opposite sides of parallelograms
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the opposte sides of parallelograms are congruent
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opposite angles of parallelograms
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the opposite angles of a parallelogram are congruent
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Consecutive angles of parallelograms
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the consecutive angles of a parallelogram are supplementatry
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diagonals of a parallelogram
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diagonals of a parallelogram bisect each other
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if the opposite sides of a quadrilateral are congruent...
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then the quadrilaterla are conguent
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if both pairs of opposite sides of a quadrilateral are congruent then....
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the quadrilateral is a parallelogram
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if both pairs of opposite angles of a quadrilateal are congruent then...
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the quadrilateral is a parallelogram
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if an angle of a quadrilateral is supplementary to both of its consecutive angles then ...
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the quadrilateral is a parallelogram
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