Prove Theorems About Similar Triangles Including The Triangle Proportionality Theorem And Apply These Theorems To Solve

Find the missing length indicated.

• 30
• 25
• 45
• 50

Solve for x

• 23.1
• 47.1
• 8.5
• 25

Solve for x.

• 18

• 12

• 6.75

• 85.3

Find the missing length indicated.

• 6

• 10

• 5

• 12

What can we conclude about MN and KL?

• They are parallel by Triangle Proportionality Theorem

• They are parallel by the Converse of the Triangle Proportionality Theorem

• They are congruent by SSS

• They will intersect 10 units down from N

Are the segments that appear to be parallel actually parallel?

• YES!

• NO!

Find the value of x.

• 10
• 35
• 8
• None of these

What is the measure of x?

• 12
• 15
• 6
• 9

Solve for x

• 16
• 1.9
• 19
• 35