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Line Powerpoint

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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:
ray
.
point
line segment
angle
line
right angle
obtuse angle
acute angle
parallel lines
intersecting
lines
perpendicular
lines
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following shape a parallel line, a
perpendicular line, or an intersecting line?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
Is the following a point, a line, a line
segment, or a ray?
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