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Transformations
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Terms in this set (10)
Transformation
a change in position or size of a figure
Translation
a transformation that moves each point of a figure the same distance and in the same direction.
Reflection
A transformation that "flips" a figure over a mirror or reflection line.
line of reflection
a line across which a figure is reflected.
rotation
A transformation in which a figure is turned about a fixed point
center of rotation
a fixed point around which a figure is rotated.
congruent
exactly equal in size and shape.
dilation
transformation in which the pre-image and the image are similar.
scale factor
the ratio of a pair of corresponding sides of similar figures
center
the point that is transformed to itself by a dialation
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