Similarity, Proportionality and Geometric Mean

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Tags

CCSS.HSG.SRT.A.2

The ratio of the lengths of the corresponding sides of similar polygons

• Ratio

• Similar triangles

• Scale factor

• Angle Bisector Theorem

Which of the following does NOT prove triangles are similar.

• AA Similarity Postulate

• SAS Similarity Postulate

• SSS Similarity Postulate

• Triangle Proportionality Theorem

What is the measure of x?

• 12
• 15
• 6
• 9

Tags

CCSS.HSA.CED.A.1

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.11

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75
• 9.75
• 10
• 12

Tags

CCSS.HSG.SRT.A.2

Determine the scale factor

• 1/5

• Not Similar

• 4/5

• 1/4

What completes the similarity statement, IF the triangles are similar? ΔTHS ~ Δ____

• GFH

• HFG

• GHF

• Not Similar

Determine which postulate makes the triangles similar:

• AA Sim Post

• SAS Sim Post

• SSS Sim Post

• Def of Similar Polygons

These 2 triangles are similar. Determine the value of x.

• x = 3

• x = 9

• x = 6

• x = 4