in the 6 century
Explanation:
Greek theatre began in the 6th century BCE in Athens with the performance of tragedy plays at religious festivals.
sketches and paintings are both forms of artwork done by the artist.
they are quite diffrent though sketchs are a rough draft of a peice of work.
paintings are artwork done with paint brushs and diffrent technic's, they could be vividly colorful or black in white its up to the artist.
hope this helps! <3
have a great day :D
The main principle of design used in the image is balance