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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?

the diameter in the first step of the constructions divides each shape in half.

three diameters are needed to construct each inscribed polygon.

the arc in step two of each construction divides the circle in half.

the line segments that form each shape are congruent to the diameter of the circle.