Key Terms Understanding Geometry

What is a line segment?

• Part of a line with that connects 2 points

• Part of a line that has 1 point

• A line that goes on without end

• Part of a line with 5 points

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A portion of a line consisting of two points (endpoints) and all points between them.

• Line

• Point

• Line Segment

• Collinear Points

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Lines that are the same distance from each other and will never cross are called...

• Parallel Lines

• Perpendicular Lines

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Parallel Sides

• Sides that never touch

• Sides that touch at one point

• Sides that go the same way

• One side that is adjacent to another

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Two lines that intersect to form a right angle are called _______________ lines.

• perpendicular lines

• intersecting lines

• parallel lines

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A line that passes through parallel lines is called a ______________.

• vertical lines

• a passer through line

• transversal

• perpendicular line

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True or False: A line segment has two endpoints.

• True

• A line segment has infinite endpoints

• A line segment has no endpoints

• False

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A measurable part of a line.

• length

• ray

• line segment

• angle

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lines that are the same distance apart but will never intersect

• parallel

• perpendicular

• intersecting

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Two lines that are beside each other but will never touch, similar to railroad tracks.

• Parallel Lines

• Perpendicular Lines

• Skew Lines

• Overlapping Lines

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