a quadrilateral with 2 sets of sides that are parallel
a polygon with four sides
a closed figure with straight lines
two lines that meet in a right angle
the measurement around the edge of a figure
a polygon with 5 sides
two straight lines that do not intersect
a polygon with 8 sides
a parallelogram with 90 degree angles
a parallelogram with congruent sides
a 90 degree angle
coinciding at all points when superimposed
a triangle with three sides congruent
a polygon with 6 sides
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