Scale Factor: Perimeter

The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?

• 120

• 480

• 1920

If the perimeter of a rectangle was 20in and now it is is 80in, what is the scale factor that was used?

• 4

• 2

• 40

• 20

The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?

• 120

• 480

• 1920

What is the perimeter of the smaller rectangle?

• 12

• 14

• 24

• 10

If the scale factor to get from the small rectangle to the large rectangle is 4 and the perimeter of the small rectangle is 24 units. What is the perimeter of the larger rectangle?

• 112

• 24

• 96

• 32

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

What is the scale factor?

• 4
• .25
• 5
• 6

If the perimeter of a rectangle was 20in and now it is is 80in, what is the scale factor that was used?

• 4

• 2

• 40

• 20

• 0.25
• 0.5
• 2
• 1/2

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

• 1/3

• 48

• 4

• 3