Figure 4-2. Similar triangles
c. Looking at the proportion, note that the difference in the triangle's size does not affect the
ratio of the hypotenuse to the base. The ratio is the same for all right triangles with the same acute
angle. In any right triangle, the ratio of any two sides depends only on the size of the related acute
angle. Therefore, this rule can be applied to the six ratios written above; however, their values depend
on the size of the angle.
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