Tutorial on the specific method of making the circumscribed circle of a triangle using geometric sketchpad

php editor Baicao reveals for you the strategy to unlock all the skills of Winter Rhapsody. This character plot simulation game is based on a small town story and incorporates Japanese elements. Players will face the challenge of solving in-depth puzzles, and operational skills are crucial. The game is full of interesting content and provides rich skills to play. Unlocking all skills will bring a more comprehensive gaming experience!

Step 1 Draw a triangle

Open the geometric sketchpad, select the polygon tool on the left toolbar, and draw any △ABC in the work area on the right,

Step 2 Select the custom side center tool

Click the custom tool button in the toolbox on the left, and select [Point Tool]-[Off Center] in the pop-up tool box,

Step 3 Draw side centers

After selecting the above custom tools, click on the three vertices of △ABC, three side centers will appear,

Step 4 Draw a side tangent circle

Draw a vertical line through one of the side centers of the corresponding side. Here, for example, select the point I3 and the side AB, and execute the [Construction]-[Perpendicular Line] command, so that A perpendicular line is drawn, and the center of the perpendicular line and the side is marked as point D.

Select the paracentre I3 and the intersection point D of the vertical line and the edge, and execute the [Construction] - [Draw a circle with the center and points on the circle] command to construct a paracenter circle. .

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