Similarity Proportionality and Geometric Mean

State whether the triangles are similar. If so, write a similarity statement and the postulate or theorem you used.

Tags

CCSS.HSG.SRT.B.5

If the triangles are similar, state how.

two correct answers

• SSS

• SAS

• Not similar.

Tags

CCSS.HSG.SRT.B.5

Find the value of x.

• 72

• 18

• 60

• 7.5

Tags

CCSS.HSG.SRT.A.2

Find the geometric mean and match accordingly.

round to the nearest hundredth if needed.

• GM=54.77

• 4 and 9

• GM=6.48

• 6 and 12

• GM=12.96

• 14 and 12

• GM=8.49

• 6 and 500

• GM=6

• 4.2 and 10

Tags

CCSS.8.EE.A.2

Find the geometric mean for 8 and 32.

• 16

• 8√2

• 2√8

• 8

Tags

CCSS.8.EE.A.2

Determine which postulate makes the triangles similar:

• AA Sim Post

• SAS Sim Post

• SSS Sim Post

• Def of Similar Polygons

Tags

CCSS.HSG.SRT.B.5

What is the measure of x?

• 12

• 15

• 6

• 9

Tags

CCSS.HSG.SRT.B.4

What is the value of x?

• 16

• 12

• 4

• 64

Tags

CCSS.HSG.CO.C.9

Solve for x

• x = 5√2

• x = 5√3

• x = 5√6

• x = 5

Tags

CCSS.8.G.B.7

Find the geometric mean for 5 and 8

• 4

• 10

• 2√10

• 4√10

Tags

CCSS.8.EE.A.2