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4th Grade Vocabulary points, lines,
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a type of line that never touch and continue without crossing
parallel line
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what angle has a 90 degree angle
right angle
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a shape that has 4 equal sides and 4 vertices
square
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the point at either end of a line segment or the point at the beginning of a ray
endpoint
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part of a line that has one endpoint and extends in one direction without ending
Ray
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a straight set of points that extend in opposite directions without ending
line
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a part of a line between two endpoints
line segment
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exact location in space that is represented by a dot
Point
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