This Proving a Quadrilateral Is a Parallelogram: Lesson video also includes:
If it has the properties of a parallelogram, it must be a parallelogram. A segment of a playlist on geometry presents the converses of the properties of a parallelogram. Given a quadrilateral with specific characteristics, the video proves whether it is also a parallelogram or not.
- Review the properties of parallelograms
- Individuals should understand the converse of a statement
- The class should know how to prove triangles are congruent and use that information for proofs
- Uses colors to highlight parts of the quadrilateral
- Contains a link to more CK-12 resources on proving a figure is a parallelogram