Definitions
Quadrilateral–four sided convex polygon
Parallelogram–a quadrilateral with both pairs of opposite sides parallel.
Rectangle–a quadrilateral with four right angles. Every rectangle is a parallelogram.
Rhombus–a quadrilateral with four congruent sides. Every rhombus s a parallelogram.
Square–a quadrilateral with four right angles and four congruent sides. Therefore, every square is a rectangle, a rhombus, and a parallelogram
Trapezoid–A quadrilateral with exactly one pair of opposite sides
Bases–the parallel sides of a trapezoid
Legs–the non-parallel sides of a trapezoid
Median of a Trapezoid–segment that joins the midpoints of the legs
Mr. Bedard's Geometry Unit 