vertical angle
[/ˈvɜːr.tɪ.kəl ˈæŋ.ɡəl/]
nounpl: vertical angles
ângulo vertical
1. In geometry, either pair of opposite angles formed when two lines intersect; also called vertically opposite angles
When two straight lines cross, they form two pairs of vertical angles that are always equal.
Quando duas linhas retas se cruzam, elas formam dois pares de ângulos verticais que são sempre iguais.
2. An angle measured from the horizontal plane; the angle of elevation or depression from a horizontal reference line
The surveyor measured the vertical angle to determine the height of the building.
O topógrafo mediu o ângulo vertical para determinar a altura do edifício.
This is a fundamental concept in geometry taught in secondary schools throughout Brazil, the USA, and Portugal. It forms part of standard mathematical curriculum and is essential for understanding plane geometry and spatial relationships. The term is used identically across English and Portuguese mathematical contexts, making it a straightforward technical translation.
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