'Adjacent angles' diaporamas de présentation

7-1 7-2 Angles PA

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Assessment Strategies Using Calculator, Computer, and Internet Environments

Assessment Strategies Using Calculator, Computer, and Internet Environments. Dr. David Ashley, dia059@smsu.edu math.smsu.edu/faculty/ashley.html Dr. Lynda Plymate, lsm953f@smsu.edu math.smsu.edu/~lynda. Department of Mathematics Southwest Missouri State University Springfield, MO 65804.

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The Art of Asking Good Questions

The Art of Asking Good Questions. Maria Mitchell Based on Good Questions for Math Teaching Why Ask Them and What to Ask By Lainie Schuster and Nancy Canavan Anderson. What are Good Questions ?. They help students make sense of the mathematics.

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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Math Journal (5 Min).

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Angle Pair Relationships

Angle Pair Relationships. Angle Pair Relationship Essential Questions. How are special angle pairs identified?. Z. Y. XY and XZ are ____________. X. Straight Angles. Opposite rays. ___________ are two rays that are part of a the same line and have only their endpoints in common.

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Splash Screen

Splash Screen. CCSS. Content Standards Preparation for G.SRT.7 Explain and use the relationship between the sine and cosine of complementary angles. Mathematical Practices 2 Reason abstractly and quantitatively. 3 Construct viable arguments and critique the reasoning of others. Then/Now.

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Geometry

Geometry. Take out: Binder, Pencil, Do Now Sheet, Homework. Do Now: Name each figure 1) 2) 3) Draw a line AD with a midpoint C, then write all congruent segment using correct notation. B. A. Agenda Do Now/Check Homework HW Questions Naming, Measuring, and Drawing Angles

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Warm Up

Warm Up. Problem of the Day. Lesson Presentation. Lesson Quizzes. Warm Up Solve. 1. x + 30 = 90 2. 103 + x = 180 3. 32 + x = 180 4. 90 = 61 + x 5. x + 20 = 90. x = 60. x = 77. x = 148. x = 29. x = 70. 1 3. 1 6. Problem of the Day

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What is Trigonometry?

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Angles and Polygons

Angles and Polygons. Sections 1.5 & 1.6. Vocabulary. 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. Vocabulary. An acute angle has a measure between 0 o and 90 o

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Angle Relationships

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Lesson 1-5

Lesson 1-5. Angle Relationships. Transparency 1-5. 5-Minute Check on Lesson 1-4. G. Refer to the figure for questions 1 through 5. Name the vertex of ?3 . Name a point in the interior of ? ACB. Name the sides of ?BAC Name an acute angle with vertex B

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1.5 Segment & Angle Bisectors

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2.5 Proving Angles Congruent

2.5 Proving Angles Congruent. Chapter 2 Reasoning and Proof. 2.5 Proving Angles Congruent. Vertical Angles : Two angles whose sides form two pairs of opposite rays; form two pairs of congruent angles. 1. 2. 4. <1 and <3 are Vertical angles <2 and <4 are Vertical angles. 3.

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Chapter 1.5 Notes: Describe Angle Pair Relationships

Chapter 1.5 Notes: Describe Angle Pair Relationships. Goal: You will use special angle relationships to find angle measures. . Two angles are complementary angles if the sum of their measures is 90 o . Each angle is the complement of the other.

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1.3.d: Angle Relationships

1.3.d: Angle Relationships. Adjacent Angles. Angles with a common side and a common vertex Side by side. Complementary Angles. Angles whose measures add to be _______. Supplementary Angles. Angles whose measures add to be ______. Linear Pair. Adjacent supplementary angles Form a line.

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1.6 Angle Pair Relationships

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EXAMPLE 2

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Lines and Angles Vocab

Lines and Angles Vocab. Quick Review : Classify angles by size. Classify angles by size. Acute: 0<90 ?. Right: 90 ?. Obtuse: 90 ? <180 ?. Straight: 180 ?. Intersecting Lines: Lines in a plane that intersect (or cross) Can cross at any angle Examples: Perpendicular Lines:

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