Properties of Similar Triangles

Are the triangles similar?

• Yes
• No

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

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Find y.

• 144
• 18
• 72
• 12

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

• x = 20
• x = 12
• x = 5
• x = 4