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rectangle? a parallelogram with 4 right angles.
square? a parallelogram with 4 congruent angles and 4 congruent sides
rhombus? parallelogram with 4 congruent sides, diagonals are perperndicular to eachother
quadrilateral 4 sided figure
concave? any polygon with one interior angle more than 180 degrees
convex? any polygon where all interior angles are less than 180 degrees
regular polygons? all sides are congruent all interior angles are congruent
1st attributes both pair of opposite sides are congruent
parallelogram? 4 sided figure a quadrilateral with both pair of opposite sides are parallel.
trapezoid? a quadrilateral with ONE pair of opposite sides are parallel
isosceles trapezoid non parallel sides are congruent
2nd attribute diagonals bisect eachother
3rd attribute opposite angles are congruent
4th attribute consecutive interior angles are supplementary
attribute of a rectanlge diagonals are congruent
Created by: brianna9