which element is not part of aristotles rhetorical triangle theory?\no ethos\no logos\no anaphora\no pathos

Brief Explanations:

Aristotle's rhetorical triangle consists of ethos (credibility of the speaker), logos (logical appeal), and pathos (emotional appeal). Anaphora is a rhetorical device of repeating words at the beginning of clauses, not part of the rhetorical - triangle.

Answer:

C. anaphora