G.CO.12: Make formal geometric constructions with a variety of tools and methods. Perpendicular Lines. 3.2 Use Parallel Lines and Transversals. The student will use the relationships between angles formed by two lines … This module deals with parallel, perpendicular and intersecting lines. Bell Work 3.4: Solve each inequality. 3x + 1 > x 3.5 Write and Graph Equations of Lines. ´ CD is the perpendicular bisector of ´ AB 2. Transversal City Project . For the Board: You will be able to prove and apply theorems about perpendicular lines. State the postulate or theorem … Symbols If maA 5 90 8 and maB 5 90 8, then aA ca B. Theorem 3.2 Words If two lines are perpendicular, then they intersect to form four right angles. When lines are parallel, they will never intersect (touch/cross) because they have the same slope, and are therefore always the … 4. If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular. Perpendicular Bisector Theorem Name: _____ Directions: Complete the proof below by giving the reasons. 1. x – 5 < 8 2. If two lines are cut by a transversal so that (alternate interior, alternate exterior, corresponding) angles are congruent, then the lines are parallel. 3.6 Prove Theorems About Perpendicular Lines. Perpendicular Lines Theorems. Chapter 3.6 Prove Theorems About Perpendicular Lines Notes Key. 3.4 Parallel and Perpendicular Lines Objectives: G.CO.9: Prove geometric theorems about lines and angles. Chapter 3.6 Prove Theorems About Perpendicular Lines Notes. Lesson Worksheet: Perpendicular Bisector Theorem and Its Converse Mathematics ... we will practice using the perpendicular bisector theorem and its converse to find a missing angle or side in an isosceles triangle. Q1: ... D when the two lines meet at a right angle and the … If two sides of two adjacent angles are perpendicular, then the angles are complementary. A variety of pdf exercises and word problems will help improve the skills of students in grade 3 through grade 8 to identify and differentiate between parallel, perpendicular and intersecting lines. Sections Covered: 3.1 Identify Pairs of Lines and Angles. Write the Equation of a Line Review . Definition of Perpendicular (Perpendicular lines form fight angles) Definition of Perpendicular Definition of complementary (Two angles that add up to 90 degrees i.e. Chapter 3.5 Write and Graph Equations of Lines Notes Key. form a fight angle) 6) Definition of Complementary 7) Congruent Complements (Complements of the same angle are congruent) 7) Given: AB Il CD Prove: BC Geo-Activity Intersecting Lines Theorem 3.1 Words All right angles are congruent. Given: ´ CD is the perpendicular bisector of ´ AB Prove: ´ AC ≅ ´ BC Statement Reason 1. The lines can be parallel, perpendicular, or neither. 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