8th Grade Similar Figures and Missing Sides

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

• x = 9
• x = 28
• x = 7
• x = 63

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

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

• 4 ft
• 15 ft
• 18 ft
• 2 ft

• 2
• 4
• 50
• 40

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

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Find the missing measure. 

• 12
• 14
• 196
• 168