Solution:
Two triangles are congruent if they are of the same shape and size.
Triangles can be proved congruent by SSS ,SAS ,ASA ,HL properties.
In the given figure we need to find the right correspondence for angle marked A.
Congruent figures are of same shape and size.Among the given options the angle which equals A in triangle TRS is angle S.
< A corresponds to <S.
