Which statement describes the contributions of Omar Khayyam? He was best known for his studies of Greek philosophy.
He became well known as an architect.
He was known for his poems about human existence and life.
He became well known for writing The Thousand and One Nights.

Correct answer is He was known for his poems about human existence and life.

Explanation:

First option is not correct as although himself was a philosopher, he wasn't known as someone who studied Greek philosophy.

He was never an architect so second option is also not correct.

Third option is correct as his poems were so popular that were later even introduced to European audience.

Last option is not correct as we don't known who are the authors of this piece.

i truly dont know the answer wait i do its 1,3,4

well this isn't a question but if you are asking if it is true or false it is, true.