Proportion Scale

• A

• B

• C

• D

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

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

• 21

• 1.25

• 20

• 4

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Use the scale drawing to create a proportion and find the height of the tree.

• 12.5 feet

• 8 feet

• 200 feet

On a map, Mesquite is 5 inches from Dallas. If the map's scale is 1 inche = 3 miles, what is the actual distance from Mesquite to Dallas?

• 15

• 5

• 10

• 14

What is the scale factor from MNOP to ABCD?

• 2/3

• 1/2

• 3/2

• 2

Find side length X.

• 16

• 18

• 2.4

• 15

If the scale factor is 4, what is the measurement of x?

• 20 m

• 24 m

• 16 m

• 4 m