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properties of Quadrilaterals
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Terms in this set (11)
quadrilateral
4 sided polygon
parallelogram
2 sets of parallel sides, opposite sides are congruent, opposite angles are congruent
trapezoid
1 set of parallel sides
rectangle
4 right angles, opposite sides congruent
rhombus
4 congruent sides
square
4 congruent sides, 4 right (90) angles
the sum of the angles for a quadrilateral
360
congruent
same shape, same size
acute angle
an angle < 90 degrees
right angle
a 90 degree angle
obtuse angle
an angle that is > 90 degrees
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