Scale Factor Finding Actual

If the image was scaled proportionally, which value would go underneath 1 in the table (...)?

• 2.5

• 0.4

• 6.5

• 1

• 2

The scale on a set of architectural drawings for a house is 1 inch = 1.5 feet. Find the actual length of the kitchen.

• 8.25 feet

• 7.75 feet

• 12.5 feet

• 9 feet

• 3.7 feet

Litzy is making a scale drawing of her apartment for a school project. The apartment is 28 feet wide. On her drawing, the apartment is 7 inches wide. What is the scale of Litzy's drawing?

• 1 inch = 4 feet

• 1 inch = 28 feet

• 1 inch = 7 feet

• 1 inch = 0.25 feet

Rectangle ABCD is similar to rectangle EFGH. What is the scale factor from rectangle ABCD to rectangle EFGH?

• 1.5 (150%)

• 2.5 (250%)

• 5.0 (500%)

• 19.0 (1,900%)

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

The image shows​​ (a)   and the scale factor is​​ (b)   ​

• an enlargement

• 3

• a reduction

• 5

• 4

• 2

The blue triangle is the preimage, the green triangle is the image.

The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

The blue triangle is the preimage, the green triangle is the image. The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

Identify the scale factor from triangle DEF to triangle D'E'F'

• 1.5

• 0.7

• 1.75

• 2

• 1.25

Identify the scale factor to get from triangle BNQ to triangle B'N'Q'.

• 1.25

• 1.5

• 0.8

• 0.5

• 2.25