Chapter 8 Similar Triangles

The triangles are similar. Solve for x.

• 10

• 8

• 9

• 7

What is the scale factor from \Delta GHI\ to\ \Delta JKL?

Ratio of sides equals

• scale factor

• ratio of perimeters

• zoom factor

• All of the above

Are the triangles similar? If yes, by what reason or method?

• No, not similar

One property of similar triangles is that corresponding angles of two similar triangles are congruent. What is the second property of similar triangles?

• Corresponding sides are congruent

• Corresponding sides are unrelated

• Corresponding sides are equal

• Corresponding sides are equally proportional

What side corresponds with DE?

• CA

• AB

• EC

• BA

Determine whether the triangles are similar.

• SSS~

• AA~

• SAS~

• not similar

State if the triangles in each pair are similar.  If so, state how you know they are similar and complete the similarity statement.

• not similar

State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.

• not similar

Find the missing length. The triangles in each par are similar.

• 12

• 18

• 9

• 13