Objectives
To define and classify special types of parallelograms
To use properties of diagonals of rhombuses and rectangles
In the Solve It, you formed a special type of parallelogram with characteristics that you will study in this lesson.
Essential Understanding The parallelograms in the Take Note box below have basic properties about their sides and angles that help identify them. The diagonals of these parallelograms also have certain properties.
Definition | Diagram |
---|---|
A rhombus is a parallelogram with four congruent sides. | |
A rectangle is a parallelogram with four right angles. | |
A square is a parallelogram with four congruent sides and four right angles. |