Proportion and Similar Figures

What is the scale factor if the original figure has a length of 8 cm and the scaled figure has a length of 16 cm?

• 2

• 6

• 4

• 10

Tags

CCSS.7.G.A.1

If a scaled figure has a length of 12 cm and the scale factor is 3, what is the length of the original figure?

• 36 cm

• 9 cm

• 24 cm

• 15 cm

Tags

CCSS.7.G.A.1

A blueprint of a house has a scale of 1:100. If the length of a room on the blueprint is 5 cm, what is the actual length of the room in meters?

• 0.5 meters

• 5 meters

• 50 meters

• 0.05 meters

Tags

CCSS.7.G.A.1

In similar figures, if the scale factor is 2, what is the ratio of their corresponding side lengths?

• 1:2

• 2:1

• 1:1

• 3:2

Tags

CCSS.7.G.A.1

A triangle has side lengths of 4 cm, 6 cm, and 8 cm. If another triangle is similar to the first triangle, what are the lengths of its corresponding sides?

• The lengths of the corresponding sides of the second triangle will be 6 cm, 9 cm, and 12 cm.

• The lengths of the corresponding sides of the second triangle will be 5 cm, 7 cm, and 9 cm.

• The lengths of the corresponding sides of the second triangle will be 2 cm, 3 cm, and 4 cm.

• The lengths of the corresponding sides of the second triangle will be 3 cm, 4 cm, and 5 cm.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A map has a scale of 1:5000. If the distance between two cities on the map is 10 cm, what is the actual distance between the cities in kilometers?

• The actual distance between the cities is 0.1 kilometers.

• The actual distance between the cities is 0.05 kilometers.

• The actual distance between the cities is 10 kilometers.

• The actual distance between the cities is 5 kilometers.

Tags

CCSS.6.RP.A.3B

If two figures are similar, what can you say about their corresponding angles?

• Corresponding angles of similar figures are always perpendicular

• Corresponding angles of similar figures are not related

• Corresponding angles of similar figures are always obtuse

• Corresponding angles of similar figures are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

In similar figures, if the scale factor is 3, what is the ratio of their corresponding angle measures?

• 3:3

• 2:2

• 1:1

• 4:4

Tags

CCSS.HSG.SRT.A.2

A rectangle has angles measuring 30 degrees, 60 degrees, 90 degrees, and 90 degrees. If another rectangle is similar to the first rectangle, what are the measures of its corresponding angles?

• 45 degrees, 45 degrees, 90 degrees, and 90 degrees

• 20 degrees, 70 degrees, 100 degrees, and 70 degrees

• 40 degrees, 50 degrees, 90 degrees, and 90 degrees

• 30 degrees, 60 degrees, 90 degrees, and 90 degrees

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6