搜尋標籤: "angle between a line and a plane"

Theorem of Three Perpendiculars and application (English subtitles available)

This resource utilises the concept of projection and animation in its presentation to help students understand the theorem of three perpendiculars and its proof. It also provides examples of how this…

   edb-chengkaying edb-chengkaying 0 個讚 155 次播放

三垂線定理及其應用 (中文字幕可供選擇)

本資源運用了投影的概念,並以動畫的方式,讓學生理解三垂線定理及其證明方法,並列舉了一些運用此定理解決三維空間問題的例子。

   edb-chengkaying edb-chengkaying 0 個讚 196 次播放

More about 3-D figures and Trigonometry (English subtitles available)

The relationship among point, line and plane are first introduced. Distance and angle between (a) lines, (b) a line and a plane, and (c) planes are further discussed. Questions of the above learning…

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   ronson@hkecl.net 0 個讚 863 次播放