'Angle addition' diaporamas de présentation

Unit #1, Concept #3 Angles and their Measurements

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Chapter 1

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Angle Measure

Angle Measure. Sec: 1.4 Sol : G.4d,e. Ray. Is Part of a line Has one endpoint and extends indefinitly in one direction. Named by stating the endpoint and any other point on the ray. (endpoint must be stated first.) Denoted with an arrow pointing in one direction. AB. Example.

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Warm-Up

Warm-Up. Find the next two numbers in the sequence: 3, 7, 15, 31, __, __ Draw four points M, A, T, H such that and are opposite rays and and are the same ray. Find the distance between the points (-3, 4) and (3, 6). Simplify your answer.

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Focus

Focus. Graph and label the following points on a coordinate grid. P (-1, -1), Q (0, 4), R (-3, 5), S (2, 5), and T (3, -4) Name three noncollinear points. Name three collinear points. Name two intersecting lines. Measuring Segments and Angles. Lesson 1-4. The Ruler Postulate (1-5).

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Measuring Angles Section 1.3

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Angles

Angles. Information. Angles. A angle is formed by two rays with the same endpoint. This endpoint is called the vertex of the angle. vertex. Angles can be labeled several ways using the angle symbol and:. a.

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Lesson 1-4

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Honors Geometry Proofs Involving Angles

Honors Geometry Proofs Involving Angles. Here are some suggestions that may help you when doing proofs. 1. Your given information (hypothesis) becomes your first statement. What you need to prove (conclusion) is your last statement. 2. Reason backwards when possible.

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Geometry Unit 1: Angles

Geometry Unit 1: Angles. ANGLES AND POINTS. An Angle is a figure formed by two rays with a common endpoint, called the vertex. ray. vertex. ray. Angles can have points in the interior , in the exterior or on the angle. A. E. D. B. C.

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Section 2.3

Section 2.3. Structure of Geometry. Definitions. Postulate(axiom) - is a statement accepted without proof Theorem -is a statement that is proven by using defs , postulates, or previously proven theorems. Postulates:.

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Angles

Angles. Angle and Points. An Angle is a figure formed by two rays with a common endpoint, called the vertex. ray. vertex. ray. Angles can have points in the interior, in the exterior or on the angle. A. E. D. B. C.

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1-4: Measuring Angles

1-4: Measuring Angles. Parts of an Angle. An angle is formed by two rays with the same endpoint. The rays are the sides of the angle and the endpoint is the vertex of the angle.

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Chapter 2: Properties Review

Chapter 2: Properties Review. Campbell county High School. Complete the one-step proof:. Answer: Multiplication Property. Complete the one-step proof:. Answer: Subtraction Property. Complete the one-step proof:.

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Warm up: solve for x and y

Warm up: solve for x and y. 5x - 12. 4x + 3. 15y + 3. 1.5 Angle Addition and Angle Bisectors. SBWAT use angle pair relationships to find angle measures. Singleton Geometry 2012-2013. Angle Addition Postulate.

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Segment and Angle Addition Postulate

Segment and Angle Addition Postulate. 9.3.3.2 Know and apply properties of angles, including corresponding, exterior, interior, vertical, complementary and supplementary angles, to solve problems and logically justify results. .

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Geometry 1-3 Angle Addition

Geometry 1-3 Angle Addition. Angle Addition Postulate : If a ray cuts an angle into two or more parts, the sum of the parts equals the whole angle. part 1 + part 2 = the whole. R. S. Q. P. Example. If Y is in the interior of LMN, find the

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Adding Angles

Adding Angles. When you want to add angles, use the notation m ? 1 , meaning the measure of ? 1. If you add m ? 1 + m ? 2, what is your result? m ? 1 + m ? 2 = 58 ?. m?1 + m?2 = m?ADC also. Therefore, m?ADC = 58?. Angle Addition Postulate. Postulate:.

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1a. b. Name the sides of ? APT ___________ ___________

Angles, Adjacent Angles & Angle Addition Date:________________________________. 1a. b. Name the sides of ? APT ___________ ___________ c. Name two distinct straight angles. ___________ ___________

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