Start Geometry I Lines, Rays and Angles. What is a Line? An angle that measures more than 90 o A part of a line that has only one endpoint and extends.

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Presentation transcript:

Start Geometry I Lines, Rays and Angles

What is a Line? An angle that measures more than 90 o 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 90 o.

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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 180 o.

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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 180 o.

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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 180 o.

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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 180 o.

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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 90 o. An angle that is exactly 90 o. An angle that is more than 90 o. An angle that is exactly 180 o.

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What is a Right Angle An angle that is Less than 90 o. An angle that is exactly 90 o. An angle that is more than 90 o. An angle that is exactly 180 o.

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What is an Acute Angle An angle that is Less than 90 o. An angle that is exactly 90 o. An angle that is more than 90 o. An angle that is exactly 180 o.

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Incorrect