Google Classroom

GeoGebra Classroom

A Formula for Finding Angle between Two Planes 計算兩平面之交角的公式

Autor:Alex CHIK

Tema(s):Planos

Proof (partial)

Reference

1. https://youtu.be/TRf6gax6viA 2. http://whistleralley.com/polyhedra/derivations.htm gMath 互動數學教室 http://www.gmath.hk

Nuevos recursos

Descubrir recursos

Descubre los temas