Which is not a way to create balance in art?

Symmetrical balance can be established by drawing an imaginary line through the center of the work, either horizontally or vertically, and making each half identically or very visually similar.

Explanation:

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i believe the answer is: a.  abstract forms were often used to represent human figures.

representing human figures in abstract forms is often used in the geometric period, not hellenistic  period.   during the hellenistic  period,   aesthetic value derived from creating arts which mimic the actual shape of a certain object or individuals.

hope this ! < 3