PPT-3-4 Adjacent Angles &

Linear Pairs of Angles Adjacent Angles Video Manipulating Adjacent Angles Definition of Linear Pair Two angles form a linear pair if and only if they are adjacent and their noncommon sides are opposite rays. Angles that form angles Angles that form A A complete revolution complete revolution add up to add up to 360 360 Exam Exam ple ple ABC forms a ABC forms a complete complete revolution with revolution with reflex reflex ABC ABC 360 360 35 325 35 Points, Lines, and Angles. 1. Goal . Tell type of angle.. Label angles.. Measure angles. . 2. Review . 3. 4. A? B? C?. Check . a ) ray. b) line segment. c) line . 5. 6. 7. angle. a figure . formed . Simplify each expression.. 1.. . 90 –. . (. x . + 20). 2.. 180 – (3. x . – 10). Write an algebraic expression for each of the following.. 3.. 4 more than twice a number. 4.. 6 less than half a number. 4 sides. 2. angles add to 360. Parallelogram. Opposite sides are parallel and congruent. Opposite angles are congruent. Adjacent angles are supplementary. Diagonals bisect . eachother. Rectangle. Opposite sides are parallel and congruent. Created By: 2BrokeTeachers. A Parade of Four-Sided Polygons. Quadrilaterals. There are many different types of quadrilaterals. We identify quadrilaterals using their sides and angles. . Side. Angle. Let’s Review…. Vertical angles. Supplementary. Complimentary. Adjacent. Types of Angle PAIRS. Vertical angles. Supplementary. Complimentary. Adjacent. Why are the numbers the same COLOR?. Identify Angle Pairs. True or False?. Mr. Peterson. CC standard 7.g.5. Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to . write and solve simples equations for an unknown angle in a figure. . Essential Question. How can you describe angle pair relationships and use thee descriptions to find angle measures?. Objectives. Identify complementary and supplementary angles. Identify linear pairs and vertical angles. By: Preston Williamson. 4/2/13. D6. Ms. Howell’s . Table of Contents. Page 1- Parallel Lines. Page 2- Two Congruent Objects. Page 3- Vertical Angles. Page4- Perpendicular Lines. Page 5- Sine. Page 6-Cosine. What: Sum of angles on straight lines. How: Discovering how to measure angles at different points on straight lines. Why: . A. o. B. 10. 20. 30. 40. 50. 60. 70. 80. 90.  . o.  . A. O. B. A. O. B. Lesson 7.1. Adjacent and Vertical Angles. Students will be able to identify angles as adjacent and vertical angles and solve problem with an unknown angle from . given information. Warm-Up #18 (4/6/17). Depression. 1/14 and 1/15. EQ: . How do we draw . angles of elevation and angles of . depression. ?. Agenda:. Warm Up/Check Homework. Notes . on Angles of Elevation and . Depression. Practice Drawings. 1. Warm UP: . If. . m. . 1 = 23 º and m. . 2 = 32 º, find the measures of all other angles.. Answers:. Adjacent, . Vertical, . Supplementary, and Complementary Angles. Adjacent angles are “side by side” and share a common ray.. adjacent angles. complementary angles. supplementary angles. Congruent angles. have the same measure.. Vertical angles. are formed opposite each other when two lines intersect. Vertical angles have the same measure, so they are always congruent..