Scale Factor

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing? 1 inch = _ yards

• 1372

• 5

• 14

• 7

Tags

CCSS.7.G.A.1

If the original is 12 units and the scale factor is 1/4 what is the size of the scale drawing?

• 300

• 4.8

• 3

• 4

Tags

CCSS.7.G.A.1

Which triangle is similar to the above triangle ?

• A

• B

• C

• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.

What scale was used to create the map?

• 42 inches = 1 mile

• 1 inch = 42 miles

• 40 inches = 1 mile

• 
  1 inch = 40 miles

Tags

CCSS.7.G.A.1

Amanda made a scale drawing of a square garden, which has a side length of 25 feet. She used the scale 2 inches = 5 feet.

What will be the area of the scale drawing?

• 10 in²

• 25 in²

• 100 in²

• 484 in²

Tags

CCSS.7.G.A.1

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

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

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

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

• 1/3

• 48

• 4

• 3

Tags

CCSS.7.G.A.1

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

Which figure is scale copy of the original figure?

• A

• B

• C

• D

Tags

CCSS.8.G.A.3