This activity allows students to explore parallel and perpendicular lines within polygons. There are 4 pages to this activity: the "Parallel or Perpendicular" handout, a Venn diagram, a Directions page with some helpful hints, Extension/Enrichment activity for early finishers, and an Answer Key Venn diagram. The objective is for the students to realize that a polygon, even ones that are classified the same, such as a pentagon, or trapezoid, may or may not have certain sets of lines, depending