Proportions With Scale Factor

• BC

• AC

• MD

• MC

Tags

CCSS.HSG.SRT.B.4

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

Find y.

• 144

• 18

• 72

• 12

Tags

CCSS.HSG.CO.C.9

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  Find the length of AB to the nearest meter.

• 10

• 12

• 15

• 18

Tags

CCSS.HSG.SRT.B.4

Complete the following transformation if Triangle ABC is transformed to make similar Triangle DEF. Translate A to D. Rotate around Point D until D, E, and _____ are co-linear. Dilate by ______ with center D.

• Point B, Scale Factor EF/BC

• Point B, Scale Factor BC/EF

• Point C, Scale Factor EF/BC

• Point C, Scale Factor BC/EF

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Find the scale factor. Assume the left shape is the original.

• 12/15

• 12/32

• 15/32

• 1.25

Tags

CCSS.7.G.A.1

A map has a scale of 1 inch represents 5 miles. If two cities are 3.5 inches apart on the map, how far are they from each other in reality?

• 10 miles

• 3.5 miles

• 17.5 miles

• 25 miles

Tags

CCSS.6.RP.A.3B

An equilateral triangle is dilated with a scale factor of 3. If the side length of the original triangle was 4 cm, what is the side length of the new triangle?

• 8 cm

• 12 cm

• 5 cm

• 16 cm

Tags

CCSS.8.G.A.3

• x = 21

• x = 18

• x = 12

• x = 10

Tags

CCSS.7.RP.A.2B

• 6.2 centimeters
• 6.25 centimeters
• 13 centimeters
• Not here

Tags

CCSS.HSG.SRT.A.2