正圆锥展开图
2020-04-06 12:20
本范例展示了正圆锥的侧面展开图及其几何构造。通过GeoGebra的Surface、Rotate和CircumcircleSector等命令，动态演示了圆锥底面半径、高与展开扇形半径、圆心角之间的数学关系。适合用于立体几何教学，帮助学生直观理解圆锥侧面积公式的推导过程及空间图形与平面图形的转换。
所属专题
常见立体图形的展开图
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