square
triangle
hexagon
rectangle
quadrilateral
pentagon
rhombus
parallelogram
trapezoid
A figure with five sides and five angles
A 3-sided figure Angles may be acute, right, or obtuse
A figure with four sides whose opposite sides are parallel and equal
A figure with 4 equal sides, opposite sides parallel and opposite angles parallel
A figure with 6 sides and 6 angles
any closed, four-sided 2D figure
A 2D figure with 4 straight sides, with one pair of parallel sides
four 90 degree angles opposite sides are parallel all sides are equal lengths
four 90 degree angles opposite sides are equal and parallel