To access the worksheet and quiz at any time, simply pause the video. Isosceles triangle properties are used in many proofs and problems where the student must realize that, for example, an altitude is also a median or an angle bisector to find a missing side or angle. Printable in convenient PDF format. Donate or volunteer today! My quizzes. Save. Complementary and supplementary word problems worksheet. All quizzes. Take the quiz. 1. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Metric units worksheet. Customary units worksheet. Menu. 63% average accuracy. It actually gets easier as it goes along. Start studying Angle Proofs Reference. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment's endpoints. 3 of 3 – Angle Proofs I. Displaying top 8 worksheets found for - Unit 2 Logic Proof Homework 8 Angle Proofs. Traverse through this huge assortment of transversal worksheets to acquaint 7th grade, 8th grade, and high school students with the properties of several angle pairs like the alternate angles, corresponding angles, same-side angles, etc., formed when a transversal cuts a pair of parallel lines. Structure Worksheet. Metric units worksheet. Def. Improve your math knowledge with free questions in "Proofs involving angles" and thousands of other math skills. Function Worksheet. This proof touches on complementary angles, definition of congruent angles, Angle Addition Postulate, and substitution. Given: OB bisects