A) Angle A has to be congruent to Angle D
Answer:

Step-by-step explanation:
we know that
If two triangles are similar
then
the ratio of their corresponding sides are equal and the corresponding angles are also equal
In this problem

we have

Find the value of TS

substitute




see the attached figure to better understand the problem
I always use Socratic see if that’ll help
I think the first question is A)