RIC-1069 Maths terms and tables
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Transformations<br />
Non-Euclidean or similarity transformations (Dilations)<br />
The increase or decrease in the size of an object or figure is a non-<br />
Euclidean transformation. The resulting image is the same shape as the<br />
original (similar).<br />
Enlargement<br />
An enlargement is an increase in the size of an object or figure while<br />
maintaining the same shape.<br />
Point projection<br />
Enlargement by grid<br />
centre of<br />
enlargement<br />
original<br />
enlargement<br />
Increasing the spaces<br />
on the grid.<br />
Proportionally increasing<br />
the number of squares<br />
covered.<br />
Reduction<br />
A reduction is a decrease in the size of an object or figure while<br />
maintaining the same shape.<br />
Point projection<br />
Reduction by grid<br />
centre of<br />
reduction<br />
original<br />
reduction<br />
Decreasing the spaces<br />
on the grid.<br />
Proportionally decreasing<br />
the number of squares<br />
covered.<br />
Distortion transformations<br />
A distortion transformation is the process of changing both the shape <strong>and</strong><br />
size of an object or figure so that its image is still topologically the same.<br />
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