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Ways to prove parallelograms/quadrilaterals
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Both pair of opposite sides parallel
Opposite angles are congruent
Consecutive angles (same side interior angles) are supplementary
If one angles is a right angle, than all four are right angles
The diagonals bisect each other
Opposite sides are congruent
(quads parallel)
both pair opposite sides are parallel then the quad is a parallelogram (DEF OF PARALLELOGRAM)
(quads parallel)
both pair opposite sides congruent then the quad is a parallelogram
(quads parallel)
both pair opposite angles congruent then a quad is a parallelogram
(quads parallel)
diagonal bisect each other than the quad is a parallelogram
***(quads parallel)
one pair of opposite sides are congruent and parallel
Author
Anonymous
ID
16695
Card Set
Ways to prove parallelograms/quadrilaterals
Description
geometry
Updated
2010-04-28T23:51:25Z
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