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29 Cards in this Set
- Front
- Back
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angle
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A figure formed by two rays that have a commom endpoint
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area
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The number of square units needed to cover a flat surface.
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cone
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A space figure with one circular base, and a curved surface
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congruent
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A word or symbol used to indicate equivalency of measure (=)
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cube
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A space figure with six congruent square faces.
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cylinder
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A space figure with two parallel, congruent circular bases and a curved surface.
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edge
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The line segment where two faces of a space figure meet.
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face
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A flat surface of a space figure.
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flip
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To turn a figure to its reverse side.
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hexagon
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A polygon with six sides.
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intersecting lines
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Lines that meet or cross.
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line
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A set of points in order extending indefinitely in opposite directions.
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line of symmetry
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A line that divides a figure into two congruent parts.
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line segment
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A part of a line that has two endpoints.
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ordered pair
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A pair of numbers that is used to locate a point on a coordinate grid.
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parallel lines
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Lines that are side by side, but never cross.
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pentagon
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A polygon with five sides.
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perimeter
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The distance around a figure.
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polygon
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A simple closed figure with sides that are line segments.
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pyramid
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A space figure whose base is a polygon and whose faces are triangles.
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ray
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A part of a line that has one endpoint and goes on forever in one direction with an arrow.
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rectangular prism
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A prism with six rectangular faces.
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right angle
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An angle that forms a square corner.
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similar figures
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Figures that have the same shape. They may or may not be the same size.
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slide
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To move in a straight line without changing direction.
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space figure
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A three-dimensional figure that has volume (3-D).
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sphere
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A curved space figure that is the shape of a globe.
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turn
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TO move around a point. A turn moves an object clockwise or counterclockwise.
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volume
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The number of cubic units needed to fill a space figure.
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