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Terms in this set (51)
Plane figure that is formed by 3 or more segments called sides
Part of a line that consists of two endpoints
Two rays that have the same initial point
Operation that maps or moves an image
An original figure that is transformed to form an image
A figure that results from the transformation of a geometric figure
a transformation in which the figure is still the same size and shape
Extends forever in two directions
a transformation that turns a figure about a fixed point
Transformation that moves all of the points on a figure the same distance in the same direction
A transformation that "flips" a figure over a mirror or a line
A polygon with three sides.
Two lines in the same plane that do not intersect
points on the same line
a quadrilateral with one pair of parallel sides
A quadrilateral with both pairs of opposite sides parallel.
A four-sided polygon.
Two rays, line segments or lines that meet to form a right angle
A polygon with equal angles and equal sides.
Having the same size and shape
a transformation that enlarges or reduces the original figure proportionally
have the same shape but not necessarily the same size
A parallelogram with four right angles
A parallelogram with four congruent sides
A parallelogram with four congruent sides and four right angles.
to divide into two equal parts
The side opposite the right angle in a right triangle.
a triangle with two congruent sides
a triangle with no congruent sides
all sides are congruent
the set of all points in a plane that are equidistant from a given point
A triangle that contains only angles that are less than 90 degrees.
A triangle with one angle that is greater than 90 degrees.
a triangle with one angle of 90 degrees
all angles are congruent
The distance from the center of a circle to any point on the circle
the distance across a circle through its center
two angles whose measures have a sum of 90 degrees
two angles whose measures have a sum of 180 degrees
A point that divides a segment into two congruent segments
Angles or sides that have the same relative position in geometric figures
An exact location represented by a dot.
A part of a line, with one endpoint, that continues without end in one direction
A point where two or more straight lines meet.