start geometry i lines, rays and angles. what is a line? an angle that measures more than 90 o a...
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Geometry I
Lines, Rays and Angles
What is a Line?
An angle that measures more than 90o
A part of a line that has only one endpoint and extends in one direction.
A straight path that extends in both directions
A point on an angle were to rays meet
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What is an Angle?
Two lines that go in the same direction and never touch.
Two rays that have the same endpoint.
Two lines that cross each other at a point.
Two lines that cross and form 90o.
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What are Intersecting Lines?
Lines that cross each other at any point
Lines that extend in both directions and never touch
Lines that have one endpoint and extends in only one direction.
Lines that measure 180o.
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What is a Straight Angle?
Lines that cross each other at any point
Lines that extend in both directions and never touch
Lines that have one endpoint and extends in only one direction.
Angles that measure 180o.
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What is a Ray
Lines that cross each other at any point
Lines that extend in both directions and never touch
Lines that have one endpoint and extends in only one direction.
Lines that measure 180o.
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What are Parallel Lines
Two lines that cross each other at any point
Two lines that extend in both directions and never touch
Two lines that have one endpoint and extends in only one direction.
Lines that measure 180o.
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What is a Vertex?
The point at which intersecting lines cross each other.
The point were two rays meet to form an angle
A ride at Paramount's Kings Island.
Any point on a plane.
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What is an Obtuse Angle?
An angle that is Less than 90o.
An angle that is exactly 90o.
An angle that is more than 90o.
An angle that is exactly 180o.
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What is a Right Angle
An angle that is Less than 90o.
An angle that is exactly 90o.
An angle that is more than 90o.
An angle that is exactly 180o.
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What is an Acute Angle
An angle that is Less than 90o.
An angle that is exactly 90o.
An angle that is more than 90o.
An angle that is exactly 180o.
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