Detailed steps for drawing an inscribed triangle of a circle using Geometry Sketchpad

Draw a circle. Open the geometric sketchpad, select the [Circle Tool] on the left sidebar, click the mouse in the blank working area to determine the center of the circle, drag the mouse, and click at the appropriate position to draw a circle. Mark the center of the circle as point O, recorded as Circle O. Here you need to hide the points on the circle.

Pick any three points on circle O. Select the [Point Tool] on the left sidebar, pick any three points A, B, and C on the circle,

to construct a triangle. Select the [Line Segment Tool] on the left sidebar and construct the line segments AB, BC, and AC in sequence, thus forming △ABC, which is an inscribed triangle of the circle.

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