Two identical triangles make a parallelogram, a quadrilateral with opposite pairs of sides that are both equal in length and parallel (always equal distances from each other). The two triangles ...

Depicted above are two similar triangles; their sides are parallel. The largest angle in either triangle above is 66 degrees. The smallest angle in either triangle above is 52 degrees. The inner ...

Definitions, examples, counter examples of similar triangles. (Prove) If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides ...