Solving Similar Triangles

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

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Which triangles are similar to triangle A?

• B

• C

• Both

• None

What is the size of angle x and the length of sides y and z?

• x = 63, y = 2.5, z = 9.6

• x = 63, y = 6.4, z = 3.75

• x = 97, y = 6.4, z = 9.6

• x = 97, y = 2.5, z = 3.75

Given that the two triangles are similar, find the value of X and Y.

• X=2.5 and Y=6.5

• X=6.5 and Y=2.5

• X=3 and Y=7

• X=2 and Y= 5

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Complete each proportion.
AB / BM  =  ? / CD

• BC

• AC

• MD

• MC

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  What is AB to the nearest meter?

• 10

• 12

• 15

• 18