Similar Triangles, Ratio, Proportion, Scale Factor, Unit Rate, Scale, Compare

Find missing side

• 5
• 7
• 9
• 11

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Solve the equation for x:

• 17
• 16
• 15
• 14

Solve the proportion:

• 4
• 21
• 24
• 3

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

• 3.75
• 9.75
• 10
• 12

Find y.

• 144
• 18
• 72
• 12

Solve for x. 

• 10
• 18
• 20
• 12

Solve for x. 

• 8
• 6
• 10
• 12

Solve for x.

• x = 5
• x = 3
• x = 14
• x = 1

Solve for the variable x.

• x = 8.5
• x = 10
• x = 1
• x = 2