2025_05_16_Angles between two planes_2

Angle Bewteen tho Planes
[size=200]Definition:[br]The [i]Planes 1[/i] and [i]Plane 2[/i] intersect at straight line [i]CD[/i]. [br][br]If both [i]line l[/i] and [i]line n[/i] are perpendicular to [i]CD[/i],[br][br]then angle C2 [math][/math]is the angle bewteen [i]Planes 1[/i] and [i]Plane 2.[/i][/size]
2025_05_16_Angles between two retangular planes (The point "P" and "C2" are able to move)
2025_05_16_Angles between two planes that are not retangles
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Information: 2025_05_16_Angles between two planes_2