Similar figures

Find missing side

• 5
• 7
• 9
• 11

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

• x = 20
• x = 12
• x = 5
• x = 4

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

• 2
• 4
• 10
• 3

• 2
• 7
• 0.5
• 12

• 2
• 4
• 50
• 40

• 8
• 10
• 14
• 12

• 4 ft
• 15 ft
• 18 ft
• 2 ft

• 10 ft
• 5 ft
• 8 ft
• 15 ft

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet
• 8 feet