Simple Scale Factor

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

• 21

• 1.25

• 20

• 4

Tags

CCSS.7.G.A.1

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

• 7 km

• 5 km

• 15 km

• 17 km

Tags

CCSS.6.RP.A.3B

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54

A scale drawing of Mt. Marcy is 17.8 inches high. Determine the actual height of Mt. Marcy if the scale used for the drawing was 1.5 inches = 450 feet.

• 8,010 feet

• 5,340 feet

• 12,015 feet

Tags

CCSS.6.RP.A.3D

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

The two pyramids shown are similar. If the smaller pyramid has a height of 21 meters, then what is the height of the larger pyramid?

• 11 meters

• 81.49 meters

• 33 meters

• 7 meters

The cylinders shown are similar. Find the missing height of the larger cylinder.

• 192 cm

• 8 cm

• 48 cm

• 36 cm

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles

• 50 miles

• 82.5 miles

• 41.25 miles

Tags

CCSS.6.RP.A.3B