Triangles 1 and 2 are similar. What ratio relates a side length of triangle 1 to the corresponding side length of triangle 2? Fill in the box to complete the ratio.
Triangle A B C is labeled Triangle 1. Side A C is 17, C B is 15, A B is 8. Angle C is 28 degrees and angle A is 62 degrees. Triangle D E F is labeled Triangle 2. Side D F is 25.5, F E is 22.5 and D E is 12. Angle D is 62 degrees, F is 28 degrees, and E is 90 degrees.

to 12