How to operate a fixed radius when drawing a circle on the geometric sketchpad

When drawing a circle in the geometry sketchpad, how to fix the radius so that the circle maintains a constant size? PHP editor Baicao will bring you a detailed operation guide on fixing the radius when drawing a circle on the geometric sketchpad today. This article will start from the steps of setting the circle center, drawing auxiliary lines, and using the "lock" function, and guide you step by step on how to easily fix the radius of the circle and draw a perfect circle that meets your needs. Read on for detailed tutorials.

Set the radius size. Open the geometric sketchpad, select the [Data] menu in the upper menu bar, select the [New Parameter] command in the drop-down option, enter the name [R] in the pop-up dialog box, the value is 4, the unit is centimeters, and then click OK. The parameter value will appear in the upper left corner of the artboard.

The above is the detailed content of How to operate a fixed radius when drawing a circle on the geometric sketchpad. For more information, please follow other related articles on the PHP Chinese website!