Quadrilateral+Relationships+P5

A **quadrilateral** is a 2-dimensional closed shape with four straight sides. ||
 * Quadrilaterals

Opposite angles are congruent  [] [] [] Here is a video over quadrilaterals. [] [] media type="custom" key="12732172"  ||
 * **Parallelogram **
 * Opposite sides are parallel
 * Opposite sides are congruent
 * Rectangle[[image:geometrych8-2012/quadh1.jpg width="245" height="164"]] **
 * Opposite sides are parallels
 * Opposite sides are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">All 4 angles = 90°
 * <span style="color: #000099; font-family: 'Arial','sans-serif'; font-size: 16px;">Square **
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Opposite sides are parallel
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">All 4 sides are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">All 4 angles are equal to 90°
 * <span style="color: #000099; font-family: 'Arial','sans-serif'; font-size: 16px;">Rhombus **
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">All 4 sides are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Opposite sides are parallel
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Opposite angles are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Diagonals bisect each other at <span style="color: #0d0d0d; font-family: 'arial','sans-serif'; font-size: 16px;">right angles
 * <span style="color: #000099; font-family: 'Arial','sans-serif'; font-size: 16px;">Trapezoid **
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">One pair of opposite sides parallel
 * **<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Isosceles trapezoid: **<span style="font-family: 'Arial','sans-serif'; font-size: 16px;"> Legs are congruent
 * <span style="color: #000099; font-family: 'Arial','sans-serif'; font-size: 16px;">Kite **
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Two pairs of adjacent sides are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">One pair of opposite angles are congruent
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">One diagonal bisects the other
 * <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">Diagonals intersect at right angles