### Properties of a Parallelogram - YourTeacher.com - Geometry Help

For a complete lesson on parallelograms, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the definition of a parallelogram, which states that if a quadrilateral is a parallelogram, then opposite sides are parallel. Students also learn the following theorems related to parallelograms. If a quadrilateral is a parallelogram, then opposite sides are congruent. If a quadrilateral is a parallelogram, then opposite angles are congruent. If a quadrilateral is a parallelogram, then the diagonals bisect each other. Students are then asked to solve problems related to the properties of parallelograms using Algebra.

Length:
01:37