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Geometry

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Parallel lines   Lines that stay constantly the same distance apart. They never touch.  
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Perpendicular lines   Lines that intersect at a right angle to each other  
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Point   A position in space  
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Line   A line is the straight path connecting two points and extending beyond the points in both directions  
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Line segment   A section of line with endpoints  
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Ray   A line that has a starting point, but no end point  
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Right angle   An angle measuring exactly 90 degrees  
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Acute angle   An angle that measures less than 90 degrees  
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Obtuse angle   An angle between 90 degrees and 180 degrees  
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Protractor   A tool used to measure angles.  
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Created by: Mrs_Irish
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