Which of the following is true of the constructions of an equilateral triangle, a square, and a regular hexagon when they are inscribed in circles?
O The diameter in the first step of the constructions divides each shape in half.
O Three diameters are needed to construct each inscribed polygon.
O The arc in step two of each construction divides the circle in half.
O The line segments that form each shape are congruent to the diameter of the circle.