Similarity and Proportionality

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

What is the value of the missing segment?

• 15

• 20

• 6

• 16

Why are the triangles similar?

• AA

• SAS

• SSS

• Not similar

Are the triangles similar?

• Yes

• No

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

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

Solve for x.

Write down your work.

• 18

• 12

• 6.75

• 85.3

Are the triangles similar?

Write down your work.

• Yes

• No