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10-69.
  1. First decide if the triangles below are similar. Then, if they are similar, use the information in each diagram to solve for x. Homework Help ✎


    1. Careful!

If only two pair of corresponding sides have equal ratios, can you conclude that the triangles are similar?

The two triangles are similar (by AA~).

Draw two separate triangles, then write a proportion and solve for x.