Sunday, September 9, 2012

Transformations Concerning Math Shapes

This week I learned of four types of transformations of shapes (geometric figures). They are translation, rotation, reflection and glide reflection.



Translation refers to a transformation of a graph or geometric figure is "picked up" and is carried to another location, without a change to the size or orientation of the figure.



Rotations refers to a transformation where a plane figure (e.g. figure on a graph or near a center of rotation) is rotated around a fixed center point. Basically, one point on a plane (which is the origin point) does not move, but everything else on that plane moves around that point by a given angle.


Reflection refers to a transformation where a shape (geometric figure) is reflected across a line (called the axis of reflection), which creates a mirror image.

Glide Reflection refers to a transformation that is a combination of both reflection and translation.





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