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Scaling will proportionally reduce or enlarge a figure. The amount of scaling is given by the scale factor (greater than zero)
If the scale factor is less than 1, the figure is reduced and it is sometimes called a contraction
If the scale factor is greater than 1, the figure is enlarged, and it is called a dilation or enlargement.
If a centre of enlargement is used, the distance of every point from the centre is multiplied by the scale factor. The scale factor can be negative in which case the distance to the new point is measured on the opposite side of the centre to the original point.
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What is the transformation that reduces or enlarges a figure?
congruent figure
A figure resulting from a transformation?
A figure resulting from a transformation is called an IMAGE
What is a transformation that slides a figure horizontally and vertically called?
A transformation that slides a figure horizontally is called a translation. A transformation that slides a figure vertically is also called a translation.
What is a simmilar figures?
A similar figure is proportionally the same shape as another figure and all the angles are the same.
What is a shape that results from a transformation of a figure known as the preimage?
The answer depends on the nature of the transformation.
