Scale Factor and Scale Drawing

A model is built to a scale of 1 ft ∶ 10 ft. If a model airplane is 3 feet long, how long is the actual plane?

• 13 ft

• 30 ft

• 3 ⅓

Tags

CCSS.7.RP.A.2C

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

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in 

• 7 in

• 42 in

• 56 in

Tags

CCSS.7.G.A.1

A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?

• 20 cm²

• 60 cm²

• 180 cm²

• 100 cm²

Tags

CCSS.7.G.A.1

True or False: The scale tells us what some length on the scale drawing represents in actual length

• True

• False

Tags

CCSS.HSG.MG.A.1

_________ ________ is the number you multiply by the sides to create a similar figure.

• Corresponding Angle

• Scale Factor

• Mid Point

• Similar objects

Tags

CCSS.7.G.A.1

What is the scale factor from shape A to shape B?

• 1

• 2

• 3

• 4

Tags

CCSS.7.G.A.1

What is the scale factor from the smaller quadrilateral to the larger?

• scale factor = 3

• scale factor = 4

• scale factor = 10

• scale factor = 2

Tags

CCSS.8.G.A.3

What is the scale factor from the small shape to the big shape?

• 1/2

• 7/3

• 2/1

• 10/3

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3

• 2

• 3/2

• 3

Tags

CCSS.7.G.A.1