unchanging angle
[ən-ˈchān-jiŋ ˈaŋ-gəl]
nounpl: unchanging angles
ângulo invariável
1. A geometric angle that remains constant in measure and does not vary or alter over time or under different conditions
In this geometric proof, we must identify the unchanging angle between the two parallel lines.
Nesta prova geométrica, devemos identificar o ângulo invariável entre as duas linhas paralelas.
2. A fixed angular measurement that maintains its degree value regardless of transformations or movements
The unchanging angle of the prism remains at 60 degrees throughout the experiment.
O ângulo invariável do prisma permanece em 60 graus durante todo o experimento.
This is primarily a technical/mathematical term used in geometric and scientific education in both Brazil and the United States. It has minimal cultural variation and is used consistently across academic and professional contexts in both countries.
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