Measuring and Constructing Segments

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1.2 Measuring Segments and angles

1.2 Measuring Segments and angles. Do Now. 1. Draw three non-collinear points A, B and C. 2. Draw a line through A and C and name it. 3. Draw a line segment through B and C and name it. 4. Draw a 4 th point that is collinear to A and C. Homework. Review answers Questions?.

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Measuring, constructing, and using angles

Measuring, constructing, and using angles . Contents Why Measure Angles? How might we measure angles? What is an “angle”? What does “measurement” mean? Our “measuring tool” for angles. Contents (continued) Measuring an angle Drawing an angle of a given size

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Sec 1.2 Measuring and Constructing Segments

Sec 1.2 Measuring and Constructing Segments. Definitions: Coordinate Distance Length Congruent Segments Construction Between Midpoint Bisect Segment Bisector. Postulates. Segment Addition: If B is between A and C then AB +BC = AC

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1-2: Measuring & Constructing Segments

1-2: Measuring & Constructing Segments. RULER POSTULATE. The points on a line can be put into a one-to-one correspondence with the real numbers. Those points are called coordinates . TERMS.

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Measuring Segments

Measuring Segments. Postulate 1-5 Ruler Postulate The points of a line can be put into one-to-one correspondence with the real numbers so that the distance between any two points is the absolute value of the difference of the corresponding numbers. Postulate 1-6 Segment Addition Postulate.

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Measuring and Constructing Segments Exploration

Measuring and Constructing Segments Exploration. Draw AC , then place B on the segment between A and C . Measure AB, BC, and AC in inches. Then measure each segment in centimeters and millimeters. Record the lengths in a table like the one shown. A. B. C.

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Constructing Lines, Segments, and Angles

Constructing Lines, Segments, and Angles. MCC9-12.G.CO.12. Copying Segments and Angles Introduction. Two basic instruments used in geometry are the straightedge and the compass.

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Measuring Segments

Measuring Segments. Length on a Number Line. The distance between any two points is the absolute value of the ______________ of the coordinates. Ex. Find each length. 1. DC 2. EF. Congruent Segments. Congruent segments are segments that have the same ___________.

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MEASURING SEGMENTS AND ANGLES

MEASURING SEGMENTS AND ANGLES. Assignment Page 29 - 30 2 – 30 even 31, 32, 34, 36, 42, 44, 46, 70, 72, 76, 78. Ruler Postulate 1- 5 The distance between any two points is the absolute value of the difference of the corresponding numbers Example: Length of AB is

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Measuring Segments and Angles

Measuring Segments and Angles. During this lesson, you will use segment postulates to determine the lengths of segments. A. B. 3. 0. -2. Segment Vocabulary. distance and direction from 0 on a number line. A coordinate is a point’s. Ex. Point A is Point B is

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Measuring Segments and Angles

Measuring Segments and Angles. Objective 2.02 Apply properties, definitions, and theorems of angles and lines to solve problems. Warm-Up. 1. 2. 3. 4. What is the complementary angle of 43 degrees?. 5. What is the supplementary angle of 143 degrees?.

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1.3 Measuring Segments

1.3 Measuring Segments. Objectives -learn symbols for rays and segments -Define Postulate -Identify Ruler Postulate -Identify Segment Addition Postulate. T. V. M. -2. -1. 0. 1. 2. 3.

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Measuring Segments

Measuring Segments. Geometry Mrs. King Unit 1, Lesson 4. Ruler Postulate. 1-5: The points of a line can be put into a one-to-one correspondence with the real numbers so that the distance between any two points is the absolute value of the difference of the corresponding numbers. Practice.

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1.3 Measuring Segments

1.3 Measuring Segments. Objective: Students will find measures of segments. Correct notation will be used. Line Segments. Since segments have 2 endpoints, it can be measured. Line segments are named with two capital letters that correspond to the 2 endpoints.

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Measuring Angles and Segments

Measuring Angles and Segments. Section 1-4. Measuring Segments. The distance between any two points on a horizontal or vertical line ABSOLUTE VALUE OF THE DIFFERENCE OF THE COORDINATES AB = |a – b|. Congruent Segments. Two or more segments with the same length Figures are congruent

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Measuring Segments and Angles

Measuring Segments and Angles. 1.3 and 1.4. Take ruler out and tape string to the ruler please. We can calculate distance using the ruler postulate. How do we do this???. How is a line segment written again?. What is the length of ST? What is the length of TV?

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Measuring and Constructing Angles

Measuring and Constructing Angles. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Geometry. Holt Geometry. Warm Up 1. Draw AB and AC , where A , B , and C are noncollinear. 2. Draw opposite rays DE and DF. Solve each equation.

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Measuring Segments and Angles

Measuring Segments and Angles. During this lesson, you will use segment postulates to determine the lengths of segments. A. B. 3. 0. -2. Segment Vocabulary. distance and direction from 0 on a number line. A coordinate is a point’s. Ex. Point A is Point B is

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1-2: Measuring & Constructing Segments

1-2: Measuring & Constructing Segments. RULER POSTULATE. The points on a line can be put into a one-to-one correspondence with the real numbers. Those points are called coordinates. TERMS.

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1.5 Measuring and constructing angles

1.5 Measuring and constructing angles. Naming angles. An angle is a set of point consisting of two different rays that have the same endpoint The shared endpoint is called the vertex The rays are sides of the andle Name an angle Using the vertex Using a point on each ray and the vertex

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