Triangle - A plane figure with three straight sides and three angles., Quadrilateral - A four-sided figure., Parallelogram - A four sided plane figure with opposite sides parallel., Rectangle - a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square., Rhombus - a quadrilateral all of whose sides have the same length., Square - a plane figure with four equal straight sides and four right angles., Trapezium - a quadrilateral with one pair of sides parallel., Kite - a quadrilateral figure having two pairs of equal adjacent sides, symmetrical only about one diagonal., Pentagon - a plane figure with five straight sides and five angles., Hexagon - a plane figure with six straight sides and angles., Octagon - a plane figure with eight straight sides and eight angles,

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