Questions & Answers about Hun er interessert i kunst.
- Hun = she
- er = is (present tense of å være, to be)
- interessert = interested
- i = in
- kunst = art
So the structure is very close to English: She is interested in art.
Because Norwegian uses the fixed expression å være interessert i noe, which means to be interested in something.
So you say:
- Hun er interessert i kunst
- Jeg er interessert i musikk
- Er du interessert i historie?
A native English speaker may want to try another preposition, but with interessert, i is the normal one.