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# A quadrilateral with 2 pairs of parallel sides with no square corners

Trapezoid: A quadrilateral which has at least one pair of parallel sides. Parallelogram: A . Color each quadrilateral with no square corners blue. Color each.
4 sides. The interior angles of a quadrilateral add up to 360 degrees. A square has got 4 sides of equal length and 4 right angles (right angle = 90 degrees). Since ALL A Rhombus has got NO right angles It has got 2 pairs of equal sides and 4 right angles Opposite sides are the same length and they are parallel.
Four sides (edges); Four vertices (corners); The interior angles add up to 360 degrees: (called a trapezoid in the UK) is a quadrilateral with NO parallel sides.
Quadrilaterals can be classified by whether or not their sides, angles, diagonals, or vertices have special properties. In the classification scheme below, rectangles F and B have the right hand column to themselves, but parallelograms are not grouped in a way that excludes Awhich is not a parallelogram. The arrows show parallel sides What is the difference between a square. The length of the 1600 5280 gymnastics south. By drawing examples and non-examples for each kind of shape, students get an opportunity to explore their individual properties before relating their knowledge of all three to the defining attributes of a square. Even if one starts with a concave quadrilateral like thisone can group four identical copies of them snugly around a pointand can tile the entire plane with multiple copies.