Quiz on Similarity

What are corresponding sides?

• Are shapes that have the same shape, but not necessarily the same size.
  

• Compares the sizes of the parts of the scale drawing to the actual sizes on the original object.

• They are sides that are in the same position in different plane figures. 

• They are sides that have different ratios.

What is the scale factor from the large triangle to the small triangle?

• 3/2=1.5

• 2/3=0.6666...

• 3/4=0.75

• 4/3=1.333...

Determine if the triangles are similar. If so, state the similarity postulate or theorem.

• AA~

• SSS~

• SAS~

• Not Similar

Which of the below is the only correct similarity statement for the two triangles?

Lance the alien is 5 feet tall. His shadow is 8 feet long. At the same time of day, a tree's shadow is 32 feet long. What is the height of the tree?

• 20 feet

• 24 feet

• 29 feet

• 51 feet

• 15
• 13
• 11
• 17

Similar figures are the same shape with PROPORTIONAL corresponding sides and what type of corresponding angles? (use lower case letters)

Are the two rectangles similar?

• Yes

• No

Decide whether the triangles are similar.

• SSS~

• SAS~

• AA~

• Not similar

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? (just type the number in as your answer.)