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quadrilateral

polygon with four sides

parallelogram

quadrilateral with both pairs of opposite sides parallel

rhombus

parallelogram with four congruent sides

rectangle

parallelogram with four right angles

square

parallelogram with four congruent sides and four right angles

kite

quadrilateral with two pairs of adjacent sides congruent,no opposite sides congruent , and no parallel sides

trapezoid

quadrilateral with exactly one pair of parallel sides

isosceles trapezoid

trapezoid whose nonparallel opposite sides are congruent