# 20. Let ADEF be the medial triangle with respect to AABC, and let O be the circumcenter for AABC. Then which of the following is correct? (A) 0 is also the circumcenter for ADEF. (B) O becomes the orthocenter for ADEF. (C) 0 becomes the incenter for ADEF. (D) O becomes the centroid for ADEF.

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.