Google Classroom
GeoGebraGeoGebra Classroom

Part 2 Proving a Quadrilateral is a Parallelogram (15 points)

Name:

Image

More Practice

Use each method at least once to determine if the qaudrilateral is a parallelogram. For each problem, identify the method you are using and then state if the quadrilateral is or is not a parallelogram. Justify your answer with your findings.

1. A(-8,1); B(-3,6); C(7,4); D(2,-1)

2. A(-1,6); B(5,9); C(0,2); D(-8,-2)

3. A(-2,-9); B(0,-5); C(6,-3); D(4,-7)