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14 Cards in this Set

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