Two pairs of equal length sides diagonal cross at right angles, SQUARE, a regularquadrilateral each angle 90°, TRIANGLE, Three straight sides, vertices and internal angle that sum to 80°, KITE, Four sides and angles,none pair of opposite sides and are parallel (short and long base), PARALLELOGRAM, Five sides and angles, interior angles 540°, RECTANGLE, two pairs of parrallel lines opposite angle are equal, PENTAGON, six sides and angles and interior angles 720°, TRAPEZOID, Two pairs of parallel lines each angle 90°, HEXAGON.

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