第19讲 立体图形 视频课程
第19讲 立体图形
视频时长
50 分钟
建议学时
4-5 小时
语言
中文
由于视频文件较大，加载可能需要几分钟。感谢您的耐心等待。
学习目标
- Understand and use terminology related to 3D shapes (faces, edges, vertices).
- Apply Pythagoras’ theorem in 2D and 3D contexts.
- Calculate volumes and surface areas of cuboids, prisms, cylinders, and other specified or composite solids.
- Interpret and use plans and elevations of 3D shapes.
- Apply concepts of congruence and similarity, including scaling of lengths, areas, and volumes.
- Use trigonometric ratios to find angles and lengths in 2D and 3D figures.
