Triangle Proportions

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

• x = 10
• x = 4
• x = 2
• x = 5

Find missing side

• 5
• 7
• 9
• 11

Sides in similar figures must be proportional.  

• True
• False 

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54

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

• 3.75
• 9.75
• 10
• 12

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO

• 5

• 32

• 4

• 32/7