This is an example of what kind of dilation?

Scale factor can be written as (x,y)→(kx, ky)

The ratio of the pre-image to image is to

The scale factor is of this example is (x,y)→

Identify the center of dilation and scale factor of each dilation.

Is this a reduction or enlargement?

What is the center of dilation (x,y)?

What is the scale factor?

k=

The ratio of the pre-image to image is

to

Graph the image of the figure using the dilation given.

What is k (scale factor)?

k=

K':

L':

M':

Graph the image of the figure using the dilation given.

D':

E':

F':

G':

Identify the scale factor used to graph the image.

k=

After cross multiplying this proportion, what is the result?

=

Solve for b

b= or

List all congruent angles if △XYZ~△RYS

Y lines up with

lines up with R

S lines up with

∠Y ≅∠

∠ ≅ ∠YZX

∠YRS ≅∠

Are these triangles similar?

If yes, then what method proves they are similar? (AA SSS SAS). If the triangles are not similar then write not similar

If yes, complete this similarity statement. If the triangles are not similar then write not similar

△ ~△DEA

Are these triangles similar?

If yes, then what method proves they are similar? (AA SSS SAS). If the triangles are not similar then write not similar

If yes, complete this similarity statement. If the triangles are not similar then write not similar

△VWU~△

Use the diagram to complete each equation.

Complete the proportion.

=

Cross multiply and complete this equation.

e²=

Solve for the altitude e

e=