Unit 3 Lesson 3/4 Practice

Pentagon A'B'C'D'E' is the image of pentagon ABCDE after a dilation center at F. What is the scale factor of this dilation?

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A polygon has perimeter 12 units. It is dilated with a scale factor of 3/4. What is the perimeter of its image?

• 9 units

• 12 units

• 16 units

• It cannot be determined

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Triangle ABC is taken to triangle A'B'C' by a dilation. Which of these scale factors for the dilation would result in an image that was larger that the original figure?

• 3/5

• 13/17

• 1

• 4/3

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

For #4 on page 22 (first page 22 Lesson 3 practice), what is the length (how many triangles) is segment A'D?

Tags

CCSS.8.G.B.7

CCSS.8.G.B.8

For #4 on page 22, what is the length (how many triangles) of C'D?

Tags

CCSS.8.G.B.7

CCSS.8.G.B.8

Angle ABC is taken by a dilation with center P and scale factor 3 to angle A'B'C'. The measure of angle ABC is 21 degrees. What is the measure of angle A'B'C'?

Tags

CCSS.8.G.A.4

Select all lines that could be the image of line m by a dilation.

• $l$

• $m$

• $n$

• $o$

• $p$

Tags

CCSS.8.G.A.1

CCSS.8.G.A.4

Dilate line f with a scale factor of 2. The image is line g. Which labeled point could be the center of this dilation?

• A

• B

• C

• D

Tags

CCSS.8.G.A.1

CCSS.8.G.A.4

Quadrilateral A'B'C'D'E' is the image of quadrilateral ABCDE after dilation center at F. What is the scale factor of this dilation?

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A polygon has a perimeter of 18 units. It is dilated with a scale factor of 3/2. What is the perimeter of its image?

• 12 units

• 24 units

• 27 units

• 30 units

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4