Start studying Unit 3 Review: Parallel and Perpendicular Lines. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This worksheet addresses the relationship of lines as being parallel, perpendicular, skew, or intersecting. On the front page students are asked to: *Identify lines of a rectangular prism as being parallel, perpendicular, or skew. *Write a parallel or perpendicular statement. *Sketch and label para