Google Classroom
GeoGebraGeoGebra Classroom

법선 벡터와 이면각(두 평면이 이루는 각)(Normal vector and dihedral angle (the angle formed by two planes))

법선 벡터와 이면각(두 평면이 이루는 각)(Normal vector and dihedral angle (the angle formed by two planes)) https://min7014.github.io/math20230331001.html