The side of a regular hexagon inscribed in a circle is 2 cm. Find the side of a regular quadrilateral inscribed around this circle.
The side of a regular hexagon inscribed in a circle is equal to the radius of the circle.
The side of a square circumscribed around a circle is equal to the diameter of the circle or twice the radius:
a = 2R = 2 cm * 2 = 4 cm.
Answer: the side of the square is 4 cm.
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