Warm-Up Solve each proportion. 1) 2) 1) 2) Hint: Use the distributive property when you cross multiply.

Triangle Similarity AA, SSS, SAS Geometry 7-3 Triangle Similarity AA, SSS, SAS

First Similarity Theorem: AA

Examples Show why each pair of triangles are similar. W V X Y Z

Second Similarity Theorem: SSS

Example Show that the triangles are similar.

Third Similarity Theorem: SAS

Examples Show that the triangles are similar.

Final Example Show that the triangles are similar, then find the value of x.