Vocabulaire pour l'IELTS Academic (Score 6-7) - Geometry

Ici, vous apprendrez quelques mots anglais liés à la Géométrie qui sont nécessaires pour l'examen académique IELTS.

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cylinder

[nom]

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

cylindre

Ex: The ancient columns were made in the shape of massive stone cylinders, supporting the grand structure .Les anciennes colonnes étaient faites en forme de **cylindres** en pierre massive, soutenant la structure grandiose.

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sphere

[nom]

(geometry) a round object that every point on its surface has the same distance from its center

sphère

Ex: Spheres are often used in design for their smooth and harmonious appearance .Les **sphères** sont souvent utilisées dans le design pour leur apparence lisse et harmonieuse.

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hexagon

[nom]

(geometry) a closed shape with six straight sides and six angles

hexagone

Ex: In geometry class , students learned how to calculate the area of a hexagon.En cours de géométrie, les élèves ont appris à calculer l'aire d'un **hexagone**.

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cone

[nom]

(geometry) a three dimensional shape with a circular base that rises to a single point

cône

Ex: The chef stacked three ice cream scoops in a waffle cone for the perfect summer treat .Le chef a empilé trois boules de glace dans un **cône** gaufrette pour le dessert d'été parfait.

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tangent

[nom]

(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°

tangente

Ex: When the sun is setting , you can use the tangent to figure out the angle the sun makes with the horizon .Lorsque le soleil se couche, vous pouvez utiliser la **tangente** pour déterminer l'angle que fait le soleil avec l'horizon.

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ray

[nom]

a straight line that starts at a point and extends infinitely in one direction

Ex: The ray extends infinitely in one direction along the line .

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isosceles triangle

[nom]

a type of triangle that has two sides of equal length and two angles of equal measure

triangle isocèle

Ex: The sum of the interior angles of an isosceles triangle is always 180 degrees .La somme des angles intérieurs d'un **triangle isocèle** est toujours de 180 degrés.

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octagon

[nom]

(geometry) a polygon consisting of eight straight sides and eight angles

octogone

Ex: The child 's drawing featured a perfectly symmetrical octagon.Le dessin de l'enfant présentait un **octogone** parfaitement symétrique.

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swirl

[nom]

in geometry, a pattern or shape that exhibits a twisting or spiraling motion, often characterized by continuous, curved lines forming a rotational or helical design

tourbillon, spirale

Ex: When mixing colors on a palette , an artist may create a swirl pattern to achieve a marbled effect .Lors du mélange des couleurs sur une palette, un artiste peut créer un motif **tourbillonnant** pour obtenir un effet marbré.

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vertex

[nom]

a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect

sommet

Ex: In a cube , each of the eight corners is a vertex formed by the meeting of three edges .Dans un cube, chacun des huit coins est un **sommet** formé par la rencontre de trois arêtes.

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ellipse

[nom]

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

ellipse

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polygon

[nom]

(geometry) a flat shape consisting of three or more straight sides

polygone

Ex: Polygons can be classified based on the number of their sides , such as pentagons and hexagons .Les **polygones** peuvent être classés en fonction du nombre de leurs côtés, comme les pentagones et les hexagones.

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pentagon

[nom]

a geometric shape with five angles and five straight sides

pentagone

Ex: She drew a pentagon on the chalkboard to illustrate its shape to the students .Elle a dessiné un **pentagone** au tableau pour illustrer sa forme aux élèves.

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helix

[nom]

(geometry) a line curved on a conical or cylindrical surface, like a spiral staircase in shape

spirale

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decagon

[nom]

(geometry) a flat polygon with ten straight sides and ten angles

décagone

Ex: The children were challenged to draw a perfect decagon during their geometry class .Les enfants ont été mis au défi de dessiner un **décagone** parfait pendant leur cours de géométrie.

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nonagon

[nom]

(geometry) a flat shape consisting of nine straight sides and nine angles

nonagon

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heptagon

[nom]

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

heptagone

Ex: One version of the game featured a board laid out in a grid of non-uniform heptagons instead of the usual squares .Une version du jeu présentait un plateau disposé en une grille d'**heptagones** non uniformes au lieu des carrés habituels.

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ellipsoid

[nom]

a three-dimensional shape similar to a stretched or compressed sphere

ellipsoïde

Ex: Navigation systems often use ellipsoids to model the Earth 's surface for accurate positioning .Les systèmes de navigation utilisent souvent des **ellipsoïdes** pour modéliser la surface de la Terre afin d'obtenir un positionnement précis.

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cuboid

[nom]

a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism

cuboïde, parallélépipède rectangle

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spheroid

[nom]

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

sphéroïde

Ex: Molten glass is spun at high speeds to form finely detailed scientific spheroids with uses as laboratory vessels or decorative art pieces .Le verre fondu est filé à grande vitesse pour former des **sphéroïdes** scientifiques finement détaillés, utilisés comme récipients de laboratoire ou pièces d'art décoratif.

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prism

[nom]

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

prisme

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polyhedron

[nom]

a solid shape made of flat sides that fit together along their edges

polyèdre

Ex: The architect used a polyhedron as the inspiration for the design of the modern sculpture in the park .L'architecte a utilisé un **polyèdre** comme inspiration pour la conception de la sculpture moderne dans le parc.

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trigon

[nom]

a three-sided polygon

trigone, polygone à trois côtés

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hexagram

[nom]

(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon

hexagramme

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oblique angle

[nom]

an angle that measures either less or more that 90 degrees

angle oblique, angle non droit

Ex: A 150-degree angle is another example of an oblique angle, falling in the second quadrant .Un angle de 150 degrés est un autre exemple d'**angle oblique**, tombant dans le deuxième quadrant.

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reflex angle

[nom]

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

angle rentrant, angle réflexe

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diameter

[nom]

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

diamètre

Ex: The technician used a caliper to determine the diameter of the bearings needed for the machinery repair .Le technicien a utilisé un pied à coulisse pour déterminer le **diamètre** des roulements nécessaires à la réparation de la machine.

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circumference

[nom]

(geometry) the length of the external boundary of a curved shape, especially a circle

circonférence

Ex: The mathematician used the circumference to solve the geometry problem .Le mathématicien a utilisé la **circonférence** pour résoudre le problème de géométrie.

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radius

[nom]

the length of a straight line drawn from the center of a circle to any point on its outer boundary

rayon

Ex: The radius of a planet determines its gravitational influence and orbital characteristics within a solar system .Le **rayon** d'une planète détermine son influence gravitationnelle et ses caractéristiques orbitales dans un système solaire.

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Vocabulaire pour l'IELTS Academic (Score 6-7)

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