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Dilation and Symmetry
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How many lines of a symmetry does a 5- pointed star have?
5
How many lines of symmetry does a square have?
4
Find the values of the variables.
m = 2, n = 3/2
Find the image.
(-3, -2)
Find the image.
(8, 14)
Scale factors between 0 and 1 ________ the figure.
Reduces
Scale factors greater than 1 ___________ the figure.
Enlarge
A dilation that creates a smaller image is called a(n). . .
Reduction
A dilation that creates a larger image is called a(n). . .
Enlargement
Define dilation.
A dilation is a a transformation that changes the size of the figure by the same amount in all directions.