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14 Cards in this Set
- Front
- Back
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congruent figures
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the same size and shape
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ray
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part of a line; has one end point; goes on and on in one direction
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line
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has no end points; goes on and on in both directions
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angle
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two rays that have the same end point form an angle
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volume
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the number of cubic units that fit inside it
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intersecting lines
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two lines that cross
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parallel lines
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do not intersect; they are the same distance apart at every point
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similar figures
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the same shape; they may or may not be the same size
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perpendicular lines
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interesect and form right angles
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line segment
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part of a line; has two end points
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area
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the number of square units that cover it
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perimeter
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the distance around a figure
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diameter
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a line segment that goes through the center of a circle; its endpoints are on the circles
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radius
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a line segment with one end point on the circle and the other at the center of the circle
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