Geometry Mr. Zampetti Unit 3, Day 4 Quadrilaterals Geometry Mr. Zampetti Unit 3, Day 4
Vocabulary Quadrilateral: A polygon with 4 sides. Consecutive angles: Two angles whose vertices are endpoints of a side. Opposite angles: Two angles that are not consecutive angles. A B D C
Parallelogram Characteristics of a parallelogram: Opposite sides are parallel. Opposite sides are congruent. Opposite angles are congruent. Consecutive angles are supplements. Diagonals bisect each other.
Rectangle A parallelogram with four right angles. The diagonals of a rectangle are congruent.
Rhombus A parallelogram in which all sides are of equal length. The diagonals of a rhombus are perpendicular to each other. The diagonals of a rhombus bisect its angles.
Square A rectangle in which all sides are of equal length.
Trapezoid What is a trapezoid? A quadrilateral in which only one pair of opposite sides are parallel.
Isosceles Trapezoid A trapezoid in which the nonparallel sides are equal.
Kite A kite is a quadrilateral with two pairs of adjacent sides congruent and no opposite sides congruent. http://craftapple.files.wordpress.com/2007/08/kite-2.jpg http://www.mathwarehouse.com/geometry/quadrilaterals/images/kites/kite_picture.jpg
Quadrilateral Relationships http://www.quia.com/pop/36149.html Quadrilaterals Kite Parallelograms Trapezoids Rectangles Rhombus Isosceles Trapezoids Squares
Homework Work Packet: Quadrilaterals