Similar Figures and Proportions

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

• x = 10
• x = 4
• x = 2
• x = 5

Find missing side

• 5
• 7
• 9
• 11

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? Hint: the figures are similar triangles.

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

Sides in similar figures must be proportional.  

• True
• False 

Solve for f.

• 6
• 4
• 3
• 8

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

• Congruent
• Vertical
• Similar
• Complementary 

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Which proportion is true?

Which proportion is true?

_{Line AB corresponds with what line?} 

• XZ
• XY
• YZ
• YX