Confused: Do you mean the white part of the eyes? Are they red and irritated? The sclera is generically referred to as the white of the eye, made of a very tough type of protein. When it becomes red,  the causes can vary; from infection, to eye pressure, to injury, dryness of the cornea, allergy, etc. While some causes may be self-limited, others could blind you.
Given that triangle CDE is translated down and to the right, forming triangle C'D'E'. Therefore, the congruency statement that is correct is Î´DCE â Î´D'C'E'.
Tips: Congruent is often used in the formulation congruent with. Congruent is derived from the Latin congruere, to meet together, which reflects its meaning of agreement or consonance. Use congruent as a sophisticated way of saying in line with, parallel, compatible, and consistent. Usage Examples: Their stories were not congruent with one another, so we knew that the children were not telling the truth.