### Home > CCG > Chapter 7 > Lesson 7.2.5 > Problem 7-100

7-100.

* *below, given that

*and*

*, show that*

*. Organize your reasoning in a flowchart. Then record your theorem in your Theorem Toolkit (Lesson 7.2.1A Resource Page). Homework Help ✎*

Be sure to supply the reasoning for each step.

If a pair of opposite sides is parallel and congruent then the quadrilateral is a parallelogram.

Use the if part of the statement as the givens, and the then part of the statement as the prove portion in the proof.