Cores e Formas - Linhas, ângulos e curvas

an imaginary line in the middle of an object around which the object revolves

eixo, linha imaginária

(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins

eixo

a mark or an object formed by two short lines or pieces crossing each other

cruz

(geometry) a straight line that joins the opposite corners of a flat shape at an angle

diagonal

(geometry) a shape that consists of a line alternating its direction to left and right

ziguezague, zigue-zague (em geometria)

a straight line that is terminated by a secondary line at each end, resembling the letter H

balbis, linha em H

a straight line with one endpoint that extends infinitely in the other direction

raio

a portion of a straight line that is defined by two distinct endpoints

segmento de reta, trecho de linha

(mathematics) any of the pair of geometric figures such as lines or planes which do not meet or intersect

paralelo

a line or structure that meets another at a right angle, creating a 90-degree intersection

perpendicular, perpendicularidade

a straight line that touches a curve or surface at exactly one point, known as the point of tangency

tangente

a line that intersects a circle at two distinct points

secante

a pair of adjacent angles formed by two intersecting lines, which add up to 180 degrees

par linear

an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)

ângulo agudo, ângulo agudo (substantivo)

an angle that measures more than 90 degrees but less than 180 degrees

ângulo obtuso

an angle measuring exactly 90 degrees

ângulo reto, ângulo de noventa graus

an angle that measures exactly 180 degrees, which is the same as a straight line

ângulo reto, ângulo plano

an angle that measures either less or more that 90 degrees

ângulo oblíquo, ângulo não reto

an angle that measures greater than 180 degrees but less than 360 degrees

ângulo reflexo, ângulo maior que 180 graus

a complete revolution or turn around a fixed point or axis, covering a 360-degree angle

rotação completa, revolução completa

an angle measured counterclockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians

ângulo positivo, ângulo medido no sentido anti-horário

an angle measured clockwise from the initial side of a reference angle in standard position, usually expressed in degrees or radians

ângulo negativo, ângulo medido no sentido horário

two angles that share a common vertex and a common side, but do not overlap, and are not in a straight line

ângulos adjacentes, ângulos contíguos

the measure of the tilt between two lines or surfaces in two-dimensional space, typically given in degrees or radians

ângulo plano, ângulo do plano

(geometry) a part of a circle, which is curved

arco

a curved shape, or something shaped this way

arco, curva

a shape, line or surface that is hollow and is rounded inward

concavidade, interioridade

(geometry) a shape formed when a circular cone is intersected by a plane

seção cônica

a curved shape with narrow points at the ends that appears wider in the middle, like the shape of the moon in its first and last quarters

crescente, lua crescente

something that resembles a spiral or coil

cachinho, espiral

(geometry) a curved shape or design that gradually winds around a center or axis

espiral

(geometry) a closed plane curve that has two focal points

elipse

(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth

parábola

a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches

hipérbora

a continuous curve that does not intersect itself, and can be traced without lifting the pen or pencil from the paper

curva simples

a curve that intersects itself, or has overlapping segments, requiring the pen or pencil to be lifted from the paper while tracing it

curva não simples, curva auto-intersectante

a curve that does not intersect itself and has distinct endpoints, meaning it does not form a closed shape or loop

curva aberta, curva não fechada

a curve that begins and ends at the same point, forming a closed loop

curva fechada, curva completa