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A dilation is a transformation that
a figure to create a similar figure.
It is a type of
In a dilation, a figure is enlarged or reduced with respect to a fixed point called
center of dilation
of a dilation is the ratio of a side length of the image to the corresponding side length of the original figure.
You can describe a dilation with respect to the origin with the notation
, where k is the scale factor.
If 0 < k < 1, the dilation is a reduction.
If k>1, the dilation is an enlargement.
Using graph paper and dilate the following figures using scale factor of 1, 2, 3, 4 and 1/2.
Answer the following questions. Also write at least 10 examples of your own.
: Find the coordinates of the vertex B
where the scale factor k = 2 as shown in the figure:
: Draw a dilation of the polygon with the given vertices: A(-2,1), B(-4, 1), C(-2, 4) using the scale factor of 3. The coordinates of the vertex C of the image is ______.
: What is the scale factor of the dilated figure.
: If the scale factor is 2. Draw a dilation of quadrilateral ABCD with vertices A(2, 1), B(4, 1) C(4, -1) and D(1, -1). The vertex of the dilated figure for D
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