Similar Triangles Quick Review

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

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

State the postulate that proves these triangles are similar.

• SSS

• SAS

• AA

• Not similar

A power pole 10 m tall casts a shadow 8 meters long, at the same time that a building nearby casts a shadow 14 m long.  How tall is the building?

• 9 m
• 15.2 m
• 12 m
• 17.5 m

Find side length X.

• 16

• 18

• 2.4

• 15

Find side length X.

• 22.5

• 10

• 9

• 7.5

• 45°:117°:18°

• 45°:18°:117°

• 35°:115°:20°

• 35°:120°:22°

Solve for x.

• 14
• 16
• 36
• 25

State the postulate that proves these triangles are similar.

• SSS

• AA

• SAS

• Not similar

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SAS

• AA

• SSS

• not similar

Name the angle relationship.

• Alternate Interior
• Alternate Exterior
•  Correpsonding
• Vertical Angles