Scale Drawings

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?

• 1.25

• 4

• 20

• 21

Tags

CCSS.7.RP.A.2C

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?

• 1/30 inch

• 25 inches

• 30 inches

• 60 inches

Tags

CCSS.7.RP.A.2C

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

• 1/2

• 2/3

• 3/2

• 2

Find the perimeter of the large triangle.

• 12

• 24

• 36

• 54

A map has a scale of 1 cm=5km. On the map, two cities are 3 cm apart. What is the actual distance between these cities?

• 1.7

• 5

• 15

• 17

Tags

CCSS.7.RP.A.2C

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

• 40 inches = 1 mile

• 1 inch = 42 miles

• 1 inch = 40 miles

Tags

CCSS.7.RP.A.2C

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot?

• 63

• 235

• 315

• 630

Tags

CCSS.7.RP.A.2C

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?

• 2

• 4

• 20

• 40

Tags

CCSS.7.RP.A.2C