Solve Proportions and Similar Triangles

Solve for the variable x.

• x = 16.8

• x = 26.25

• x = 8.6

• x = 2.4

Tags

CCSS.HSG.CO.C.9

Solve for the variable x.

• x = 7.2

• x = 9

• x = 12

• x = 9.6

Tags

CCSS.8.G.B.7

Solve for the variable x.

• x = 3.2

• x = 80

• x = 3

• x = 6

Tags

CCSS.HSG.CO.C.9

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

Tags

CCSS.8.G.A.3

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

Are the triangles similar?

• Yes

• No

Tags

CCSS.HSG.SRT.A.2

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Tags

CCSS.HSG.SRT.A.2

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Tags

CCSS.HSG.SRT.B.4

Determine if the triangles are similar. Justify.

• Yes, by SSS.

• Yes, by SAS. Scale Factor is 1:2.

• Yes, by SAS. Scale Factor is 3:1.

• No, not similar.

Tags

CCSS.HSG.SRT.B.5

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

• 10

• 12

• 15

• 18

Tags

CCSS.HSG.CO.C.9