3Test 3:Ch.7 Similarity

A(n) ____________ is a statement that two ratios are equal.

The ratio of the lengths of corresponding sides of two similar polygons is the _______________.

• Proportion

• Similarity statement

• Scale factor

• Ratio

The Cross Products Property states that the product of the ________________ is equal to the product of the____________. (Separate the words with a coma.)

All angles in similar figures are congruent.  

• True
• False

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Which similarity postulate or theorem lets you conclude that ΔJKL ∼ ΔMNO?

• AA

• SSS

Find the missing length.

• 21
• 18
• 16
• 24

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

Solve for x. 

• 8
• 6
• 10
• 12

What is geometric mean of 4 and 9?

• 5
• 6
• 7
• 8