Solving with Similar Figures

Find missing side

• 5
• 7
• 9
• 11

For the pair of similar figures, find the length of each side marked with a variable.

• 13.4 cm
• 15 cm
• 12.5 cm
• 7.2 m

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

• x = 1
• x = 3
• x = 9
• x = 5

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

• x = 20
• x = 12
• x = 5
• x = 4

Find missing side

• 5
• 7
• 9
• 11

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

All angles in similar figures are congruent.  

• True
• False

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.

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