1. The problem asks to identify all triangles similar to triangle T in the given diagram. 2. Two triangles are similar if their corresponding angles are equal and their corresponding sides are proportional. 3. To determine similarity, we compare angles and side ratios of each triangle with triangle T. 4. By examining the diagram, triangles A, C, and F have the same angle measures as triangle T and their sides are proportional. 5. Therefore, triangles A, C, and F are similar to triangle T. 6. Triangles B, D, and E do not have the same angle measures or proportional sides as triangle T, so they are not similar. Final answer: Triangles A, C, and F are similar to triangle T.