Rectangles+P5

By: Cory W. and Walker F. What are rectangles? Definition- A rectangle is a parallelogram with four right angles. Corollary- A quadrilateral is a rectangle if and only if it has four right angles. Theorem- A parallelogram is a rectangle if and only if its diagonals are congruent. All rectangles have congruent sides opposite of each other. The diagonals in rectangles are also congruent. All angles in a rectangle are 90 degrees. Opposite sides of a rectangle are also parallel. Below is a Geogebra File to show all properties of a rectangle. ** Rectangle Links Below **
 * Rectangles **

** Rectangle Conjectures ** ** Rectangle Properties ** ** Real Life Images ** Click here to watch a video on Rectangle Properties Ricky Rectangle  is my name. My four sides are not the same. Two are short and two are long. Count my sides. Come alongone, two, three, four.