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15 Cards in this Set
- Front
- Back
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What is a geometric model?
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a geometric figure that represents a real life object.
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What is reflection symmetry?
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if a figure can be divided along a line into 2 parts that are mirror images of each other.
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What is line symmetry?
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a line that divids a plane figure into 2 parts that are mirror images of each other.
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What is a point?
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a location.
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What is a line?
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a set of points that extend without end in two oppisite directions.
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What is a plane?
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a set of points that extends without end in all directions along a flat surface.
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What is a plane figure?
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a set of points that lie in the same plane.
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What is rotation symmetry?
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if a figure can be turned around a point so it coincides with its original position two or more times a complete turn.
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What is center of symmetry?
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if a plane figure can be turned around a point so it coincides with its original position two or more times during a complete turn, the point is its center of symmetry.
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What is order of rotation symmetry?
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the number of times a plane figure coincides with its original position during a complete turn around its center of symmetry.
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What is line of symmetry?
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a line that divides a plane figure into two parts that are mirror images of each other.
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What is a solid figure?
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a three demension figure that consist of all its surface points abd all the surface encloses.(also known as a solid)
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What is plane of symmetry?
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a plane that divides a three dimensional figure into two parts that are mirror image of each other.
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What is intersection?
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the set of points common to all figures.
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What is cross section?
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the intersection of a three dimensional figure and a plane.
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