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English 10 Public

Review of dilations and symmetry (Transformation Unit).

Study Slideshow

Define dilation.

A dilation is a a transformation that changes the size of the figure by the same amount in all directions.

A dilation that creates a larger image is called a(n). . .

Enlargement

A dilation that creates a smaller image is called a(n). . .

Reduction

Scale factors greater than 1 ___________ the figure.

Enlarge

Scale factors between 0 and 1 ________ the figure.

Reduces

Find the image.

(8, 14)

Find the image.

(-3, -2)

Find the values of the variables.

m = 2, n = 3/2

How many lines of symmetry does a square have?

How many lines of a symmetry does a 5- pointed star have?