Geometry Unit 6 Ratios and Similar Figures

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

Tags

CCSS.HSG.SRT.A.2

• 4

• 5

• 6

• 8

Tags

CCSS.HSG.SRT.A.2

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

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

• x = 9

• x = 28

• x = 7

• x = 63

Tags

CCSS.HSG.SRT.A.2

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Tags

CCSS.HSG.SRT.B.4

Find the missing length. The triangles in each are similar.

• 55

• 68

• 52

• 50

Tags

CCSS.HSG.SRT.A.2

What is the scale factor?

• 1:2

• 7:3

• 10:7

• 10:3

Tags

CCSS.7.G.A.1

Solve for x.

• 20

• 33

• 34

• 36

Tags

CCSS.HSG.SRT.A.2

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar. Select all that applies.

• AA similarity

• SAS only

• SSS and SAS

• not similar

Tags

CCSS.HSG.SRT.B.5

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SAS

• SSS

• not similar

Tags

CCSS.HSG.SRT.B.5