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Geometry

Angles and lines

TermDefinition
Angle Ángulo Union of two rays sharing a common vertex Unión de dos semirrectas compartiendo un vértice común
Vertex Vértice A point where two lines meet, such as in an angle or the corner of a triangle Un punto donde se encuentran dos rectas, como en un ángulo o en el vértice de un triángulo
Ray Semirrecta A line with one end Una recta con un principio pero con final infinito
Acute angle Ángulo agudo An angle that is less than 90 degrees Un ángulo menor de 90 grados
Obtuse angle Ángulo obtuso An angle that is greater than 90 degrees but less than 180 degrees Un ángulo mayor de 90 grados pero menor de 180 grados
Isosceles triangle Triángulo isósceles A triangle with two equal sides Un triángulo con dos lados iguales
Point Punto A location in the plane Un lugar en el plano
Line Recta A straight figure that extends in both directions without end Una figura recta que se extiende hacia los lados sin principio ni final
Line segment Segmento de recta A line that starts and ends Una recta con principio y final
Parallel lines Líneas paralelas Lines that are the same distance apart and do not intersect Líneas que están siempre a la misma distancia y no se cruzan nunca
Perpendicular lines Líneas perpendiculares Two lines that intersect to form a 90 degrees angle Dos líneas que se cruzan para formar un ángulo de 90 grados
Intersecting lines Líneas secantes Lines that share one point Líneas que comparten un punto
Acute triangle Triángulo acutángulo Triangle with all interior angles measuring less than 90 degrees Triángulo con todos los ángulos interiores menores de 90 grados
Obtuse triangle Triángulo obtusángulo Triangle with an interior obtuse angle Triángulo con un ángulo interior obtuso
Equilateral triangle Triángulo equilátero Triangle with three equal sides Triángulo con tres lados iguales
Scalene triangle Triángulo escaleno Triangle with no equal sides Triángulo con todos los ángulos distintos
Square Cuadrado Rectangle with all 4 sides of equal length Rectángulo con los 4 lados de la misma medida
Rectangle Rectángulo Quadrilateral with four right angles and same opposite sides Cuadrilátero con cuatro ángulos rectos y lados iguales dos a dos
Circle Círculo A round, two-dimensional shape Una figura redonda de dos dimensiones
Pentagon Pentágono A plane figure with five straight sides and five angles Una figura plana con cinco lados rectos y cinco ángulos
Hexagon Hexágono A plane figure with six straight sides and six angles Una figura plana con seis lados rectos y seis ángulos
Octagon Octógono A plane figure with eight straight sides and eight angles Una figura plana con ocho lados rectos y ocho ángulos
Right triangle Triángulo rectángulo Triangle that contains one 90° angle Triángulo con un ángulo de 90 grados
Created by: sandra.bello