The specific operation method of drawing the inscribed square of a circle on the geometric sketchpad

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1. Use the geometric sketchpad circle tool to draw a circle with the center of the circle O, and use the point tool to pick any point A on the circle.

2. Select point O and point A, select [Construction] - [Straight Line], select the center O and straight line OA, select [Construction] - [Vertical Line]. The intersection points of the two straight lines and the circle are A, B, C, and D respectively.

3. Select points A, B, C, and D in sequence, and select [Construction] - [Line Segment]. Select two straight lines and press [Ctrl H] to hide the straight lines. The drawing of the regular quadrilateral inscribed in the circle is completed.

Tip: If you select the circle and hide the circle together, a square will be drawn.

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