Questions & Answers about Ta rysa jest mała.
A very common clue is the ending -a in the dictionary form (nominative singular). Many Polish nouns ending in -a are feminine, and rysa is one of them.
So:
Adjectives in Polish must agree with the noun in gender, number, and case.
Because rysa is:
- feminine
- singular
- nominative here
the adjective takes the feminine singular nominative form:
So mała matches rysa correctly.