Similarity Transformations

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

• enlargement

• reduction

Tags

CCSS.8.G.A.3

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

• enlargement

• reduction

Tags

CCSS.8.G.A.3

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

• 8

• 2

• 1/6

• 1/3

Tags

CCSS.8.G.A.3

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

Tags

CCSS.7.G.A.1

What is the scale factor of the dilation shown ?

• 2/5

• 3/4

• 5/12

• 3

Tags

CCSS.8.G.A.3

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.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

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

• ∠C ≅ ∠M

• ∠T ≅ ∠E

• ∠Y ≅ ∠B

• ∠A ≅ ∠M

• ∠C ≅ ∠R

Tags

CCSS.HSG.SRT.A.2

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.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

ΔOBC is similar to ΔOGT because: (choose the best answer)

• ΔOBC can be dilated about point O by a scale factor of 1/2, and then rotated 90 degrees about point O.

• ΔOBC can be dilated about point G by a scale factor of 1/2, and then reflected over the x- axis

• They aren't similar

• They map to each other with similarity transformations.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Square A is a Dilation of Square B. What is the scale factor of the squares?

• 1/7

• 4/5

• 5/4

• 7

Tags

CCSS.8.G.A.3