2nd October 2019


Do you multiply scale factor?

The scale factor, or linear scale factor, is the ratio of two corresponding side lengths of similar figures. Conversely, you can use the side lengths of two similar figures to calculate the scale factor. These problems involve multiplication or require you to simplify fractions.

What is the dilation factor?

Answer. A dilation is a type of transformation that changes the size of the image. The scale factor, sometimes called the scalar factor, measures how much larger or smaller the image is. Below is a picture of each type of dilation (one that gets larger and one that gest smaller)

Are dilated figures congruent?

If a figure is enlarged or reduced and retains its shape, then it is said to be dilated. This is an aspect of similarity as shown below. Note that the stretching (or shrinking) of a shape is called a dilation. It is clear that dilation is not a congruent transformation, because the size of the shape is changed.
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