геометрии

геометрии

"Geometry."

In this sentence, 'геометрии' is in the genitive case, which indicates possession or a relationship (e.g., basics of geometry).

Мы изучаем основы геометрии в школе.

We study the basics of geometry at school.

Here, 'геометрии' is also in the genitive case, expressing an association with 'interest' (interest in geometry).

Её интерес к геометрии вдохновляет меня изучать больше.

Her interest in geometry inspires me to study more.

In this sentence, 'геометрии' is in the prepositional case, denoting the topic or context of the class ('geometry class').

На уроке геометрии мы решали сложные задачи.

In the geometry class, we solved complex problems.