Big Ideas Scale Factor, Triangles, Quadrilaterals

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft

• 7.5 ft 

• 4.5 ft

• 45 in

Tags

CCSS.7.G.A.1

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

Tags

CCSS.7.G.A.1

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

Tags

CCSS.HSG.CO.A.2

A ~ B. What is the scale factor of the dilation of A to B?

• 3

• 4

Tags

CCSS.HSG.CO.A.2

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

Tags

CCSS.7.G.A.1

Find the triangle similar to △ABC

• 
• 
• 
• 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which figure is similar?

• A

• B

• C

• D

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The diagram shows a rectangle that is 4 in by 7 in in measure.

Which is the measure of a rectangle that is similar to the rectangle above?

• 4 in x 17 in

• 24 in x 42 in

• 7 in x 10 in

• 5 in x 8 in

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The diagram shows a rectangle that is 3 cm by 5 cm in measure.

Which is the measure of a rectangle that is similar to the rectangle above?

• 10.5 cm x 17.5 cm

• 6 cm x 8 cm

• 4 cm x 6 cm

• 4.5 cm x 8 cm

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The diagram below shows a rectangle that is 9 m by 15 m in measure. Which is the measure of a rectangle that is similar to the rectangle above?

• 14 m x 20 m

• 45 m x 75 m

• 18 m x 31 m

• 6 m x 12 m

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2