Which of these tools or constructions is used to inscribe a hexagon inside a circle?
a) equilateral triangle
b) rotational symmetry
c) perpendicular bisector
d) parallel line through a point

pls immediately, under time constraints

The answer is a) equilateral triangle. If you want to inscribe a hexagon inside a circle, the tools or constructions that should be used is 6 equilateral triangles. If you draw a hexagon inscribed in a circle and draw radii to the corners of the hexagon, you will create triangles, six of them.