Understanding similarity

Two similar triangles, ∆ABC & ∆JKL are shown. What is the length of side JL?

Mathematical Equivalence

ON

Polygon MNPQ is similar to polygon RSTU. What is the measure of angle z?

• 90 degrees

• 65 degrees

• 57.5 degrees

• 115 degrees

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

The polygons in the diagram are similar. Find the value of x.

• x=15

• x=44

• x=10

• x=11

If triangles ADE and ABC shown in the figure above are similar, what is the value of x?

• 4
• 5
• 6
• 8

Solve for x.

• 2
• 4.5
• 7
• 4

Are the triangles similar?

• Yes
• No

 $\Delta ABD\sim\Delta FGK$  . If  $\angle A=65\degree$   and  $\angle D=48\degree$  , what is the measure of  $\angle G$  ?

•  $65\degree$  

•  $48\degree$  

•  $67\degree$  

•  $113\degree$   $113\degree$  

Find the missing side length of the similar figures.

∆EFG is similar to ∆HJK. What is the value of x?

• 63

• 7

• 1/3

• 3