PPT-2.3 Complementary and Supplementary Angles

Author : liane-varnes | Published Date : 2016-07-23

Definitions Complementary angles the sum of their measures is 90 Each angle is the compliment of the other A B 32 58 Definitions Supplementary angles the sum of

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2.3 Complementary and Supplementary Angles: Transcript

Definitions Complementary angles the sum of their measures is 90 Each angle is the compliment of the other A B 32 58 Definitions Supplementary angles the sum of their measures is 180. 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 . 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. . Angle Pair Relationships. Adjacent Angles. Vertical Angles. Linear Pair. Complementary Angles. Supplementary Angles. Adjacent angles are “side by side” and share a common ray.. 45. º. 15. º. These are examples of adjacent angles.. 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. Identify the type of angle.. 1.. 70°. 2.. 90°. 3.. 140°. 4.. 180°. . acute. right. obtuse. straight. SPI 6.4.2: I will learn to understand relationships of angles. 8.3 Angle Relationships. Vocabulary. Two Angles are Complementary if . and only if they . add up to 90 degrees (a Right Angle).. Definition of Complementary Angles. They don't have to be next to each other, just so long as the total is 90 degrees.. 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. 9.10.15. Do Now. Define the following:. Acute angle. Straight angle. Right angle. Obtuse angle. Ray. Line. Line segment. How do you prove you are right?. Proving You . A. re Right. We write an explanation of our thinking or thought process. VN & NM. NR & NM. PR & RQ. <SRM. <TPQ. <4. <NPT. <8. <4. P,T. Q,S. <9 & <3. <9 & <2. Right. Right. Acute. Acute. Obtuse. Obtuse. Answers will vary. 27. Measure angles with a protractor. Identify and use the angle addition postulate. Warm-Up: . Find the indicated value. AC = 20; AB = _____. A. B. C. x-4. 2x 3. Vocabulary:. Degree:. The most common unit of angle measure.. Ticket in the door review. Unit 4: Geometry Vocabulary Cornell notes. Wrap-up. Ticket in the Door. Where should book bags be placed in the classroom?. What is Mrs. Janice’s call and response?. Format you paper for Cornell Notes. Topic: Geometry E.Q.: What are the vocabulary terms and their definitions in relation to unit 4 vocabulary.. 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..

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