PPT-Parallel and Perpendicular Lines
Author : jane-oiler | Published Date : 2018-09-22
Geometry Chapter 3 This Slideshow was developed to accompany the textbook Larson Geometry By Larson R Boswell L Kanold T D amp Stiff L 2011 Holt McDougal Some
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Parallel and Perpendicular Lines: Transcript
Geometry Chapter 3 This Slideshow was developed to accompany the textbook Larson Geometry By Larson R Boswell L Kanold T D amp Stiff L 2011 Holt McDougal Some examples and diagrams are taken from the textbook. Ms. Andrejko. Real World. Vocabulary. Equidistant-. the distance between two lines measured along a perpendicular line to the lines is always the same. The distance between a line and a point not on the line is the length of the segment . and a Transversal. Vocabulary. Parallel lines. : Lines in the same plane that have the same slope and never intersect. . Transversal. : A line that intersects two or more parallel lines.. Interior Angles. Line Segments,. Rays. Line. Line- a straight path that goes in two directions without ending.. A. B. AB. Read: “Line AB”. Ray. A ray has one end point and goes on forever in only one direction.. CD. Parallel Lines and Transversal. Alternate interior angles are congruent if the lines are parallel. Corresponding angles are congruent if the lines are parallel. Given the picture list all corresponding angles, list all Alternate interior angles (assume lines are parallel). A point is an exact location in space.. You are here.. A true point has no length, no width, and no height.. In fact, you cannot see a true point.. A point is named by a letter.. P. Point P. Lines are 1-dimensional objects that have only length. Lines continue forever in both directions.. Objective: By the end of this unit students will be able to identify, interpret and calculate the slope of a line.. Slope. What is a slope?. The rate at which a line increases or decreases. Describe a positive slope/negative slope. Find some examples of horizontal lines. Vertical. Think of some examples of vertical lines. Parallel. Find some examples of parallel lines. Perpendicular. Find some examples of perpendicular lines. What sort of angle is this?. Line. Line- a straight path that goes in two directions without ending.. A. B. AB. Read: “Line AB”. Ray. A ray has one end point and goes on forever in only one direction.. CD. Read: “Ray CD”. Students will be able to. Determine whether two lines are parallel. Write flow proofs. Define and apply the converse of the theorems from the previous section. Objectives. You can use certain angle pairs to determine if two lines are parallel. Warm Up. Construct each of the following.. 1.. . A perpendicular bisector.. 2.. An angle bisector.. 3.. Find the midpoint and slope of the segment . (2, 8) and (–4, 6).. . Prove and apply theorems about perpendicular bisectors.. Section 3.1 – Lines and Angles. I CAN identify relationships between figures in space.. I CAN identify angles formed by two lines and a transversal.. Key Vocabulary:. Parallel Lines. Skew Lines. Parallel Planes. Algebra 1 Unit 5: Writing equations of lines. Parallel Lines. What are parallel lines?. Parallel lines are two lines that never intersect each other.. Where have you seen examples in real-life?. Lines on a road. A.2E Write the equation of a line that contains a given point and is parallel to a given line.. A.2F write the equation of a line that contains a given point and is perpendicular to a given line.. Slopes of Parallel Lines. https://. www.youtube.com/watch?v=0iYuF5dUalE. Purpose of an inclined plane is to lessen the force needed. Less force but larger distance. Inclined Plane. An object placed on a . tilted surface. will often slide down the surface. .
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