Geometry | Unit 3 | Lesson 3: Measuring Dilations | Practice Problems

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

Tags

CCSS.8.G.A.3

A polygon has perimeter 12 units. It is dilated with a scale factor of \(\frac{3}{4}\). What is the perimeter of its image?

• 9 units

• 12 units

• 16 units

• It cannot be determined.

Tags

CCSS.7.G.A.1

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 than the original figure?

• \(\frac{3}{5}\)

• \(\frac{13}{17}\)

• 1

• \(\frac{4}{3}\)

Tags

CCSS.8.G.A.3

Dilate quadrilateral ABCD using center D and scale factor 2.

Tags

CCSS.8.G.A.3

Dilate Figure G using center B and scale factor 3.

Tags

CCSS.8.G.A.3

Polygon Q is a scaled copy of Polygon P. The value of x is 6, what is the scale factor?

• \(\frac34\)

• \(\frac43\)

• 3

• 4

Tags

CCSS.7.G.A.1

Prove that segment AD is congruent to segment BC.

Tags

CCSS.HSG.CO.C.11