Similar Triangles and Angles

Are the triangles similar?

• Yes
• No

What similarity theorem would prove that these triangles are similar?

• SAS∼
• SSS∼
• AA∼
• Side Splitter

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 
• proportional, congruent 
• congruent, congruent
• proportional, proportional

Find missing side

• 5
• 7
• 9
• 11

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

• equal
• congruent
• proportional
• none of these

What is the measure of x?

• 12
• 15
• 6
• 9

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

Determine if the triangles are similar. Justify.

• Yes, by SSS.
• Yes, by SAS. Scale Factor is 1:2.
• Yes, by SAS. Scale Factor is 3:1.
• No, not similar.