Scale Factor Finding Missing and Corresponding Parts

What is the scale factor? The shape on the LEFT is the original.

• 4

• .25

• 5

• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Triangle ABC and XYZ are similar. What is the scale factor from ABC to XYZ

• 2

• 2.5

• 2/5 or .4

• 10

• 3

• 2

• 6

• 2

• 4

• 8

• 3

• 12

• 1

• 6

• 3

• 2

• 2

• 5

• 10

• 4

• 6

• 2

• 3

• 9

• 4