Scale Factor for Similar Figures

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

• 3.75
• 9.75
• 10
• 12

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

• Congruent
• Vertical
• Similar
• Complementary 

All angles in similar figures are congruent.  

• True
• False

Find missing side

• 5
• 7
• 9
• 11

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

• x = 9
• x = 28
• x = 7
• x = 63

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

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

• x = 20
• x = 12
• x = 5
• x = 4

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Which side length corresponds with EF?

• ML
• LM
• OL
• EH

Sides that are in the same position are called

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