1.5; Even 14. GH+HJ=GJ 16. QR+RS=QS 18. False 20. True

Slides:



Advertisements
Similar presentations
1.4 Measuring Angles 9/13/12 An angle is formed by two rays with the same endpoint. The rays are the sides of the angle. The endpoint is the vertex of.
Advertisements

Geometry Vocabulary Lesson #3. #12 Angle A figure formed by 2 rays with the same endpoint.
Measure and classify Angles
1.4 Angles and Their Measures
Measuring Angles Chapter 1 Section 4. ANGLE An angle is two rays that share a common endpoint. A B C Angles are named by a point on each side and the.
Angles and Their Measures
Section 1-4 Measuring Angles and Segments. _______________________ What is the measure of segment DC? What is the measure of segment DE? What is the measure.
Lesson 9-3 Pages Angles Lesson Check 9-2.
Chapter 1.4 Notes: Measure and Classify Angles Goal: You will name, measure, and classify angles.
DO NOW. Ruler Postulate The distance between any two points on the number line is the absolute value of the difference of their positions. AB = |a –
ANGLES, ANGLES, ANGLES Naming Angles Measuring Angles Classifying Angles The Angle Addition Postulate.
 What is an angle?  Two different rays with the same endpoint.  Rays are the sides, endpoint is the vertex.  Named with 3 points or by the vertex.
Lesson 1.4 Measuring and Classifying Angles. Objective Name, measure, and classify angles.
Section 1-4 Angles and their Measures. Angle Formed by two rays with a common endpoint –T–The rays are the sides of the angle –T–The common endpoint is.
1.6 Angles and Their Measures
1.4 Measure and Classify Angles. Definitions Angle – consists of two different rays with the same endpoint. B C vertex The rays are the sides of the angle.
Answers to homework (page 11 in packet) problems
Section 1.4 Angles & Their Measures 1/13. Parts of the Angle Possible Names 1 Angle Symbol 2/13.
1.4 Angles and Their Measures. Objectives: Use angle postulates Classify angles as acute, right, obtuse, or straight.
Geometry Section 1.4 Angles and Their Measures. An *angle is the figure formed by the union of two rays with a common endpoint. The rays are called the.
Angles  Learn to name and measure angles.. Lines and Rays: A Ray is part of a line. A Ray has one initial point and extends indefinitely in one direction.
How do you measure, name and classify angles? What is the Angle Addition Postulate? How do you identify angle pairs? Chapter 1 Section 1.6.
CHAPTER 1: Tools of Geometry Section 1-6: Measuring Angles.
M217 Section 1.3 Measuring Angles. Angle Terminology: Angle: 2 different rays with the same endpoint Vertex: Common endpoint - A Sides: Two rays – Naming:
Date: Topic: Types of Angles (6-2) An angle is the union of two rays with a common endpoint. The endpoint is the vertex of the angle, and each ray is a.
1-4: Measuring Angles. Parts of an Angle Formed by the union of two rays with the same endpoint. Called sides of the angle Called the vertex of the angle.
ANGLE RELATIONSHIPS Mrs. Insalaca 8 th Grade Math.
Angle Measure ANGLE WHO? Standard/Objectives: Performance Standard: Solve problems involving complementary, supplementary and congruent angles. Objectives:
Geometry Farris   I can measure and create angles of a given measure by using a protractor. I can classify types of angles by their measurement.
BIG IDEAS: MEASUREMENT & REASONING AND PROOF ESSENTIAL UNDERSTANDINGS: Number operations can be used to find and compare the measures of angles The Protractor.
David Vundi Mathematics Teacher Measure and Classify Angles GEOMETRY.
1-4 Measuring Angles. Angle: Named by 1) its vertex (if it is the only angle at the vertex) 2) 3 points (vertex in the middle) 3) a number inside the.
1.4 ANGLES & THEIR MEASURES 1.Use Angle Postulates 2.Classify angles as acute, obtuse, right, or straight.
Section 1.4 Angles and Their Measures standards #4 & 12 Monday, November 14, 2016.
GEOMETRY HELP Name the angle below in four ways. The name can be the vertex of the angle: G. Finally, the name can be a point on one side, the vertex,
Do-Now.
Measuring Segments and Angles
Lesson 10-1 Pages Angles.
1.4 Angles & their Measures
Objective: Learn to name and measure angles.
1-4: Measuring Angles.
Chapter 1: Essentials of Geometry
1- 4 Angles.
Topic 1-5 Angle Relationships.
Let’s Get It Started Find the next two terms and describe the sequence in words: 5, 25, 125, 625, , 1, 4, 9, 16, 25, , 3,125 and 15,625.
1-3 Measuring Angles Geometry.
Angles and Their Measures
Measure and Classify Angles
Angles and Their Measures
Triangles.
Lesson: 3 – 2 Angle Measure
Let’s Get It Started Cut your drink stirrers into 3 UNEQUAL lengths and then form a triangle with them on your desktop.
Angles and Their Measures
1.4 Angles and Their Measures
Let’s Get It Started Find the next two terms and describe the sequence in words: 5, 25, 125, 625, , 1, 4, 9, 16, 25, , 3,125 and 15,625.
1.3: Measuring and Constructing Angles
Lesson 5-1 Angle Relationships
Angles Lesson 15-2.
Angles Lesson 8-2.
Angles and Their Measures
Clickers Bellwork Solve for x 3x+5+2x-4=36.
Measuring and Constructing Angles
Angle Relationships Chp A pg
Chapter 2 : Angles Vocabulary Terms.
1.5 Measuring Angles Student Learning Goal:
Suppose S is between R and T
Measure and Classify Angles
Coordinate Distance Congruent Midpoint Bisector Angle Sides Vertex
Chapter 1 Basics of Geometry.
Angles Rays are important because they help us define something very important in geometry…Angles! An angle consists of two different rays that have the.
Presentation transcript:

1.5; 14-38 Even 14. GH+HJ=GJ 16. QR+RS=QS 18. False 20. True 22. 16 24. 10 26. Coral Grouper: 9 1/8 in. Trout: 7 ½ in. Difference: 1 5/8 in. Total: 16 5/8 in. 28. JK, LM, and QR 30. No 32. 5y+20 34. D 36. 6

1.6 Angles and Their Measures Goal: Measure and classify angles and add angle measures.

Key Words Angle Sides Vertex Degree Consists of two rays that have the same endpoint Sides Rays are the sides of the angle Vertex Endpoint is the vertex of the angle Degree Unit used to measure an angle

Name Angles Name the angles in the figures.

Measure Angles Use a protractor to approximate the measure of

Congruent Angles Two angles are congruent angles if they have the same measure. A B D E C F

Classifying Angles By Their Angles Acute angle Measure is between 0° and 90° Obtuse angle Measure is between 90° and 180° Right angle Measure is 90° Straight angle Measure is 180 ° A A A A

Postulate 6 Angle Addition Postulate Words: If P is in the interior of angle RST, then the measure of angle RST is the sum of the measures of angle RSP and angle PST. Symbols: If P is in the interior of angle RST, then

Add and Subtract Angle Measures Find the measure of 4. 5. 6. A A D C 40 D 60 D 135 60 90 20 A B B B C C

Homework 1.6 pg. 38 15-29 All