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In this Early Edge video lesson, you'll learn more about Transversals and Parallel Lines, so you can be successful when you take on high-school Math & Geometry.

Formula and description of the perimeter of a parallelogram.

Parallel Lines, and Pairs of Angles

This game (similar to "Who Wants to be a Millionaire") reviews parallel and perpendicular lines and their slopes.

This "Jeopardy-like" game reviews basic geometry vocabulary and parallel lines/angles vocabulary