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quadrilateral
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4 sided polygon, commonly classified as trapezoids or parallelograms
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terms list
quadrilateral
4 sided polygon, commonly classified as trapezoids or parallelograms
rectangle
a quadrilateral with 2 sets of parallel sides and 4 right angles
rhombus
a quadrilateral with 2 sets of parallel sides and 4 congruent sides (diamond)
square
a quadrilateral with 2 sets of parallel sides and 4 congruent sides and angles
trapezoid
a quadrilateral with 1 sets of parallel sides
parallelogram
a quadrilateral with 2 pairs of opposites that are parallel
rhombus = square when
if a rhombus has one right angle, it has 4 right angles and is a square
sum of quadrilateral angles
360 degress
opposite sides for a parrallelogram
are congruent
opposite interior angles for a parrallelogram
are congruent
consecutive interior angles for a parrallelogram
are supplementary
diagonals for a parrallelogram
bisect each other
each diagonal for a parrallelogram
divides into two congruent triangles
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