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22 Cards in this Set
- Front
- Back
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Point
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a place in space with no mass or volume
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Line
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a collection of points that stretch forever in opposite directions on the same plane
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Plane
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a flat surface that takes up no space
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Line Symmetry (Reflection Symmetry)
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when a figure can be split into two equal parts that mirror each other
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Figure
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any collection of points
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Line Segment
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Part of a line that has two end points
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Side
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Ray(s) of an angle
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Vertex
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End point of a ray
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Degree
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Common unit of measurement for angles
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Endpoint
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Point at the end of a ray/line segment
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Angle
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Figure formed by two rays with a common end point
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Ray
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Part of a line that begins with an endpoint
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Line of Symmetry
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A line that divides a lane figure into two parts that are mirror images.
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Line of Symmetry
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A line that divides a lane figure into two parts that are mirror images.
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Rotation of Symmetry
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When a plane figure is turned around a point so it coincides with it's original position 2 or more times during a complete turn.
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Center of Symmetry
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If a plane figure can be turned around this point to make rotation symmetry
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Order of Rotation
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The number of times a figure coincides with it's original position during rotation symmetry
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N-Fold
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How you express the number of times a figure coincides with itself during rotation symmetry
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Similar Figures
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Equal angles, proportional side lengths
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Scale Drawing
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2D drawing that is similar to what it represents
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Scale
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The ratio of the size of a drawing to the thing it represents
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Scale Model
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3D figure whose surfaces are similar to the corresponding surfaces
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