isosceles triangle

[/aɪˈsɑːsəliːz ˈtraɪæŋɡəl/]
nounpl: isosceles triangles
triângulo isósceles
1. A triangle with two sides of equal length and two equal angles opposite those sides
An isosceles triangle has at least two congruent sides.
Um triângulo isósceles tem pelo menos dois lados congruentes.
2. A geometric figure with three angles where the base angles are equal in measure
The architect used an isosceles triangle in the roof design.
O arquiteto usou um triângulo isósceles no design do telhado.
The term 'isosceles triangle' is a fundamental concept in geometry education across both Brazilian and American curricula. In Brazil, this is taught as part of 'Geometria' in schools and is essential for engineering and architecture fields. The term is universally consistent across Portuguese-speaking regions with no regional variations, as it derives from Greek mathematical terminology.
Synonyms / Sinônimos
isoscelestwo-sided equal triangle
Antonyms / Antônimos
scalene triangleequilateral triangle

Regional Variations

General Brazilian
triângulo isósceles
Standard mathematical term used in Brazilian education
São Paulo
triângulo isósceles
Same as general Brazilian usage
Rio de Janeiro
triângulo isósceles
Same as general Brazilian usage
Portugal
triângulo isósceles
Identical terminology in European Portuguese

Related Words

triangleequilateral trianglescalene trianglegeometrycongruent sidesbase angles
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