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8-32.

Multiple Choice: Which property below can be used to prove that the triangles at right are similar?  

  1.  

  1.  

  1.  

  1.  

  1. none of these

Two triangles.  The first triangle has two adjacent sides, 6, and, 9, with an angle between with 1 tick mark. The second triangle has two adjacent sides 6, and, 4, with an angle between with 1 tick mark.

(b) because there are two sets of proportional sides

with a congruent angle between them.