R, S and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. Angle R = 60, angle S = 80, angle F = 60, angle D = 40, RS = 4, and EF = 4. Are the two triangles congruent? If yes, explain and please tell which segment is congruent to line segment RT.. . Options:. A) Yes, by ASA; line segment FD. B) Yes; by AAS; line segment ED. C) Yes; by SAS; line segment ED. D) No, the triangles are not congruent