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26 Cards in this Set
- Front
- Back
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Polygon
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line segments are connected at endpoints to make a closed shape
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Triangle
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three sided polygon
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Quadrilateral
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four sided polygon
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pentagon
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five sided polygon
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hexagon
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six sided polygon
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octagon
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eight sided polygon
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Point
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location of a space
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parallel lines
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two lines always in the same distance apart
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Intersecting lines
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lines that cross each other
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Perpendicular lines
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Crossing lines that form a right angle
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Line segment
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a part of a line that has a beginning and an end
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Sides
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line segments in a polygon
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Ray
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part of a line which begins at a point and continues in one direction
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Vertex
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common end point of a angle
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Right angle
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an angle that forms a square corner/90 degrees
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Obtuse angle
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an angle that is greater than a right triangle/more than 90 degrees
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Acute angle
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an angle that is less than a right angle/less than 90 degrees
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Equilateral Triangle
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a triangle with 3 equal sides
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Right Triangle
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a triangle with one right angle/90 degree angle
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Isosceles Triangle
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a triangle with at least two sides the same length
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Scalene triangle
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a triangle with all sides different lengths
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Obtuse triangle
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a triangle with one obtuse angle/greater than 90 degrees
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Acute triangle
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a triangle with three acute angles/all vertexes are less than 90 degrees
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Rotation
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a transformation in which a figure is rotated or turned around at a point
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Reflection
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a transformation that flips a figure across a line to make a mirror image of that figure
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Translation
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a transformation that moves a figure in a vertical, horizontal or diagonal direction
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