This is the 10251st most frequent Turkish word.
belirlediğini
"Belirlediğini" means "that (someone) has determined/identified."
In this sentence, 'belirlediğini' refers to the action of the teacher setting or determining the exam date.
Öğretmen, sınav tarihini belirlediğini söyledi.
The teacher said that she determined the exam date.
Here, 'belirlediğini' relates to the researchers identifying or establishing the conclusions drawn from the experiment results.
Araştırmacılar, deney sonuçlarını belirlediğini ilan etti.
The researchers announced that they determined the results of the experiment.
In this example, 'belirlediğini' indicates the team leader specifying or deciding the goals for the project.