What are intersecting lines?
What are perpendicular lines?
What are parallel lines?
What are acute, obtuse, right, and straight angles?
What are supplementary angles?
What are vertical angles?
What are complementary angles?
What is a transversal?
How do you find missing angles in a transversal diagram?
How do you use complementary angles to find a missing angle?
How do you find angle measures for adjacent angles?
How do you use supplementary angles to find a missing angle?