Similar Figure and Scale Factor

The pair of figures is similar. Find the missing side.

• x = 10

• x = 4

• x = 2

• x = 5

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Find the missing side length.

• 32

• 35

• 20

• 16

• 2:3
• 1:3
• 3:2
• 3

What is the Scale Factor from the small fry (original) to the large fry (new)?

• 1/3

• 48

• 4

• 3

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

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

• 1/2

• 2/3

• 3/4

• 2

Figure X is ​ (a)   by a factor of ​ (b)  

• reduced

• 5/6

• enlarged

• 6/5