This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
1、先画一个三角形
2、内切圆是三条角平分线交点,我们可以画两条角平分线,交于一点
3、还需要有半径,在这个交点做对边的垂线,垂足为G
4、用圆(圆心+点)画出内切圆
总结:
1、充分利用数学知识,思考尺规作图怎么做就在GGB上怎么做。
2、无用的线最后隐藏掉即可。