Parallel lines, Perpendicular lines, and line segments

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Presentation transcript:

Parallel lines, Perpendicular lines, and line segments By: Mr. Dunkleberger Mechanicsville Elementary School

What is a line? Line- a straight path in a plane that goes on forever in opposite directions Example: line AB or line BA

What is a point? point An exact location in space, usually represented by a dot Example: point A

What is a line segment? line segment A part of a line that includes two points, called endpoints, and all of the points between them Example: line segment AB or line segment BA

What is a ray? ray A part of a line, with one endpoint, that continues without end in one direction Example: ray CD

What is a parallel line? parallel lines Lines in a plane that never intersect Example:

What is a perpendicular line? perpendicular lines Two lines that intersect to form four right angles Example:

Lines & Angles Let me now how this works for your class. Did you need to modify anything, etc.? Dr. Don L. Fisher fisher_d@madera.k12.ca.us

ray

. point

line segment

angle

line

right angle

obtuse angle

acute angle

parallel lines

intersecting lines

perpendicular lines

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following shape a parallel line, a perpendicular line, or an intersecting line?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?

What is it? Is the following a point, a line, a line segment, or a ray?