Congruence and Similarity

Identify the transformation from ABC to A'B'C'.

• (x+8, y+4)

• (x-8, y-4)

• (x+4, y+8)

• (x-4, y-8)

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

Does the image show a Dilation?

• Yes

• No

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 90 degrees clockwise

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

A reflection ____________________.

• turns a figure around a point.

• slides an object form one place to another.

• flips or mirrors an object across a line.

• changes the size of an object.

All angles in similar figures are congruent.  

• True

• False

Are the following similar? Why or why not?

• Yes. All pairs of corresponding angles are congruent.

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

How is triangle ABC being translated to triangle A'B'C'?

• up 3, left 8

• up 9, left 4

• down 3, right 8

• down 9, right 4

In a translation, the preimage and image are ___________.

• congruent

• similar

• different

• red