Similarity Transformations

​Similarity Transformations

Multiple Choice

1.) Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

Multiple Choice

2.) Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

Multiple Choice

3.) Is the dilation from A to B an enlargement or a reduction?

• enlargement

• reduction

Multiple Choice

5.) What is the scale factor of the dilation from A to B ?

• 1/4

• 1/2

• 1

• 2

Multiple Choice

9.) Jordan is putting a photo of the lacrosse team in a full-page layout in the yearbook. The original photo is 4 inches by 6 inches. If the photo in the yearbook is 6 inches by 9 inches, what is the scale factor of the dilation?

• k = 1/2

• k = 5

• k = 3/2

• k = 9

Multiple Choice

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Multiple Choice

Which of the statements is true about the graphed triangles?

• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 2.
• They are not similar, because one can be obtained by dilating the other about the origin with a scale factor of 1/2.

Multiple Select

Which of the following are similarity transformations? Choose all that apply.

• Translation

• Dilation

• Rotation

• Stretch

• Reflection

Multiple Choice

Given that ΔAFG ~ ΔDRH, complete the following:

• ∠A

• ∠F

• ∠G

• AF

Multiple Choice

Given that ΔAFG ~ ΔDRH, complete the following:

• AF

• AG

• FG

• FH

Multiple Select

Pentagon ABCDE is similar to Pentagon RYMNT. Which of the following is correct.

• ∠C ≅ ∠M

• ∠T ≅ ∠E

• ∠Y ≅ ∠B

• ∠A ≅ ∠M

• ∠C ≅ ∠R

Multiple Choice

Quad OBCD is similar to Quad OHTE because:

• Quad OBCD can be reflected over the x axis and then rotated 90 degrees

• Quad OBCD can be reflected over the x-axis and then dilated about point O by a scale factor of 2.

• Quad OBCD can be reflected over the y-axis and then dilated about point O by a scale factor of 2.

• Quad OBCD can be reflected over the y-axis and then dilated about point O by a scale factor of 1/2.

Multiple Choice

The two figures in each question are similar. Which of the following is true? ΔJMT ∼ ________

• ΔABC

• ΔACB

• ΔBCA

• ΔBAC

• ΔCAB