Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra

Angle between Two Planes 面面角

Avtor:Alex CHIK
Given that angle BAC is 40 degrees. Where should be points B and C such that the angle between the two planes is also 40 degrees? 已知角BAC固定為40度。移動B點和C點到甚麼位置，兩平面的交角才是40度？
GeoGebra 互動數學教室 http://www.geogebra.hk

Novi prispevki

Raziskovanje virov

Poglavja za raziskovanje