Geometric mean between 8 and 1/4

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

❤️ (geometry) does the construction demonstrate how to copy an angle correctly using technology a) yes; the distance between points a and f was used to create circle h b) yes; the distance between points f and g was used to create circle h c)no; the distance between points a and f was used to create circle h d) no; the distance between points f and g was used to create circle h

Awoman won a 4000-m race with a time of 12.089 min. what was her rate?