'Opposite rays' presentation slideshows

SPECIAL PAIRS OF ANGLES

SPECIAL PAIRS OF ANGLES. Congruent Angles : Two angles that have equal measures. Congruent Angles. A. B. Angle Bisector : a ray that divides an angle into 2 congruent angles. Angle Bisector. C. B. Suppose bisects and Find:. A. C. B. D. Suppose bisects

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Starter:

Starter:. Write a conjecture based on the given information. Draw a picture if necessary. Given: <1 and <2 form a right angle. Conjecture: 2. Given: Today is Thursday. Conjecture: Determine if the conjecture is true or false. If false, give a counterexample.

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Honors Geometry

Honors Geometry. Points, Lines, Planes, Segments, Rays. Point. A location Has no size Represented by a small dot Named by a capital letter. ? A. Space. A set of all points. Line. A series of points that extends in two opposite directions without end. Named by any 2 points on the line

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MAT 360 Lecture 5

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Chapter 3; Lines and Angles

Chapter 3; Lines and Angles. By Annie Balunas and Kasey French. Lesson 1: Number Operations and Equality. Reflexive: a = a (Any number is equal to itself) Substitution: If a = b, a can be substituted for b in any expression Addition: If a = b, then a + c = b + c

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Defined Terms and Postulates

Defined Terms and Postulates. April 3, 2008. Defined terms. Yesterday, we talked about undefined terms. Today, we will focus on defined terms (which are based on the undefined terms from yesterday). More about space and points.

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1-1

Understanding Points, Lines, and Planes. 1-1. Holt Geometry. Warm Up. Lesson Presentation. Lesson Quiz. Do Now Graph each inequality. 1. x ? 3 2. 2 ? x ? 6 3. x < 1 OR x > 0 . Objectives. TSW identify , name, and draw points, lines, segments, rays, and planes.

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Angle Pair Relationships

Angle Pair Relationships. Section 1.5. 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 angle is named with three points, just the vertex , or a number .

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Identify, name, and draw points, lines, segments, rays, and planes.

Objectives. Identify, name, and draw points, lines, segments, rays, and planes. Apply basic facts about points, lines, and planes. Vocabulary. undefined term point line plane collinear coplanar segment endpoint ray opposite rays postulate. - _______________________

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GBK Geometry

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Warm-up:

Warm-up:. Name a line and a plane in the picture below:. Section 1.4: Segments, Rays, and Parallel Lines/Planes. LEQ: What are segments and rays and how are they named? What are parallel lines and planes? . Segment: part of a line, has exactly two endpoints Drawing Symbol

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1.3 Segments, Rays, Lines and Planes

1.3 Segments, Rays, Lines and Planes. Parts of Lines. Segment The part of a line consisting of two endpoints and all the points in between. Parts of Lines. Ray The part of the line consisting of one endpoint and all the points of the line on one side of the endpoint. Parts of Lines.

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Chapter 1 Quiz Review

Chapter 1 Quiz Review. Name a line that contains point F. Give another name for line n. Name three collinear points. Name the plane containing lines n and p. Find the measure of the given segment. (draw a picture, show all work, and include labels) Point H is between points G and I.

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A point has no dimension.

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Postulates

Postulates. Definition: An assumption that needs no explanation. Examples :. Through any two points there is exactly one line. A line contains at least two points. Through any three points, there is exactly one plane. A plane contains at least three points. Postulates.

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POINTS LINES AND PLANES, OH MY!

POINTS LINES AND PLANES, OH MY!. Points, Lines and Planes are the building blocks to understanding Geometry. Cornell Notes. Take a line sheet of paper and fold it in three lengthwise, so the paper makes long tall columns. Label the top of the first column TERMS

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1-4 HW Answers

1-4 HW Answers. Q P R M TP & PQ 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 39. 16 41 . 47. 1-5 Angle Relationships. Real-Life. Vocabulary.

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SOLUTION

1 and 4 are a linear pair. 4 and 5 are also a linear pair. Identify all of the linear pairs and all of the vertical angles in the figure at the right. ANSWER. 1 and 5 are vertical angles. ANSWER. EXAMPLE 4. Identify angle pairs. SOLUTION.

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EXAMPLE 2

a. Give another name for GH . a. Another name for GH is HG . b. The rays with endpoint J are JE , JG , JF , and JH . The pairs of opposite rays with endpoint J are JE and JF , and JG and JH . EXAMPLE 2. Name segments, rays, and opposite rays.

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