'Straight angles' diaporamas de présentation

Notes on Geometry

Notes on Geometry. Acute. Angles. An angle that is less than 90 degrees. Angles. Right. Angles. An angle that equals 90 degrees. Angles. Obtuse. Angles. An Angle that is more than 90 degrees. Angles. Straight angles. Angles. An angle that equals 180 degrees. Angles. Complementary.

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Chapter 5 Trigonometric Functions

Chapter 5 Trigonometric Functions. Section 5.1 Angles and Arcs. Definition of an Angle. An angle is formed by rotating a given ray about its endpoint to some terminal position. The original ray is the initial side of the angle, and the second ray is the terminal side of the angle.

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Measuring Angles

Measuring Angles. Lesson 1.3. Big angle vs. Little angle. Definition of degree. Degrees were developed by the Babylonians thousands of years ago. They divided a circle into 360 parts and called each part one degree. Notation for angle measurement.

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In this chapter, you will learn:

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Understanding, Naming, Measuring and Drawing Angles

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Angles

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Geometry: Tools of Geometry

Geometry: Tools of Geometry. Angle Relationships. Do Now:. m<1= 5x+1 m<2 = 2x - 12 m<3= 6x-5 m<ABC= 127 Find x. Homework. Struggles? Concerns? Confusions? Ask away!!!. Comment. Grades This week/Next Week. Angle Relationships. Review: Congruent Angles Right Angles

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WARM UP

WARM UP. Measuring, calculating and drawing angles. Our learning objectives today To use a protractor to: measure acute and obtuse angles to the nearest degree. draw acute and obtuse angles to the nearest degree. To calculate angles on a straight line.

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1.4 Angles and Their Measures

1.4 Angles and Their Measures. Objectives/Assignment. Use angle postulates Classify angles as acute, right, obtuse, or straight Assignment: 2-52 even.

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Lesson 1.4: Measure and Classify Angles

Lesson 1.4: Measure and Classify Angles. An angle consists of two different rays with the same endpoint. The rays are the sides of the angle. The endpoint is the vertex of the angle. A. B. C. Ex. 1: Write 3 names for the angle shown. Then name the vertex and sides of the angle.

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Angles

Angles. Angle Formation. An angle is formed by two rays that share a common endpoint . The sides of an angle are the two rays. The vertex of an angle is the common endpoint of the two rays. Naming Angles By The Vertex. You can name the angle by the vertex IF, there is only one angle.

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Vocabulary 2.1

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Angles

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Lesson 1.4 Beginning Proofs

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Lesson 56: Angles

Lesson 56: Angles. Ms. Jamie Scordino 3 rd Grade Math. Angles. Angles are measured in degrees. This is the symbol for degree Example 90. Full Rotation. A full rotation has a measure of 360 degrees. It is a complete turn and points back the same way. Acute Angles.

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Angles, Angles Everywhere

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Body Geometry

Body Geometry. Points, Lines, and Angles. Lines or Straight Angles. Line Segment. Obtuse Angles. Points. Parallel Lines. Right Angle. Acute Angles. Perpendicular Lines. Ray.

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Collinearity, Betweeness, and Assumptions

Collinearity, Betweeness, and Assumptions. Lesson 1.3. Col line ar: points on the same line. Points ABC are collinear. A. B. C. Non-collinear: points that do not lie on the same line. B. A. You can connect AB, AC, or BC, but ABC does not form a line. C. Betweeness of Points:.

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Simple Proofs & Theorems 1 and 2 Geometry 1.4

Simple Proofs & Theorems 1 and 2 Geometry 1.4. Definition : Postulates are statements that are assumed true. They are not proved to be true. Definition : Theorems are statements that are proved true using postulates and/or theorems that have already been proved .

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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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