three-dimensional angle
[/θriː dɪˈmɛnʃənəl ˈæŋɡəl/]
nounpl: three-dimensional angles
ângulo tridimensional
1. An angle formed by three planes or three lines in three-dimensional space, or the angle between two lines or planes in 3D geometry
The three-dimensional angle between the two intersecting planes was calculated using vector methods.
O ângulo tridimensional entre os dois planos que se interceptam foi calculado usando métodos de vetores.
2. A solid angle; the angle subtended by a surface at a point in three-dimensional space, measured in steradians
The solid angle, or three-dimensional angle, of a sphere as viewed from its center is 4π steradians.
O ângulo sólido, ou ângulo tridimensional, de uma esfera quando visto de seu centro é 4π esterradianos.
This is a technical term primarily used in mathematics, physics, engineering, and architecture. It is equally understood across Brazil and Portugal in academic contexts. In the USA, the term 'solid angle' is often preferred in scientific literature, particularly in physics and astronomy fields.
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