Scale Drawings and Scale Factor

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

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

• 21

• 1.25

• 20

• 4

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?

• 25 inches

• 60 inches

• 1/30 inch

• 30 inches

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x, -y)

• (x, y) → (4x, 4y)

What is the scale factor between figure A and figure B?

• 2

• 2.5

• 0.5

• 1.5

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

The width of the parking lot is shorter than the length. The width of the actual parking lot is 48 feet. How many feet of the parking lot are represented by 1 centimeter on the scale drawing?

• 15

• 16

• 3.75

• 153.6

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

• an enlargement

• 3

• a reduction

• 5

• 4

• 2

What is the scale factor?

• 4

• 25

• 5

• 6