# Open Middle: Building Parallelograms

## YOUR TASK:

## Move points A, B, C, and/or D to create a parallelogram below. Be sure NO COORDINATE REPEATS!

In the app above, use any one (or more) GeoGebra tools to clearly show how you know the quadrilateral you just formed is a parallelogram. Below, explain how what you did above illustrates how your quadrilateral is a parallelogram.

## Move points A, B, C, and/or D to create a different parallelogram from the one you created above. Be sure NO COORDINATE REPEATS!

In the app above, use any one (or more) GeoGebra tools to clearly show how you know the quadrilateral you just formed is a parallelogram. Below, explain how what you did above illustrates how your quadrilateral is a parallelogram.