by definition, two triangles are similar if their corresponding angles are congruent. However, a fundamental theorem of geometry teaches us that two triangles are similar, if and only if, their sides have...
geometrically speaking, two triangles are said to be similar if two of their "corrosponding" angles are congruent (and thus all of their corrosponding angles are congruent), i dont know what this "two to two" and how it fits here tho