We have the congruence statement for these two triangles as:
This nomenclature gives us the corresponding sides and angles:
• The pair of corresponding angles are: U with M, T with K and S with S.
,
• The pair of corresponding sides are: UT with MK, TS with KS and SU with SM.
Knowing this, the marks have to be the same for each element of the corresponding pair.
Option A: we can see that TS and KS should have the same mark but they don't. TS has a two tick mark and KS has three.
Option B: UT and MK have different marks.
Option C: UT and MK have different marks.
Option D: all 6 pairs of angles and sides have the same marks for each corresponding pair, so it has the correct markings.
Answer: Option D