quadrilateral
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quadrilateral
A geometric figure in a plane that is bounded by four corners and four sides.
Ein Quadrat und ein Rechteck sind beides spezielle Arten von Vierecken.
A square and a rectangle are both special types of quadrilaterals.
The word 'Viereck' is made up of the number word 'vier' (four) and the noun 'Eck' (a shortened form of Ecke, corner). So it literally describes a figure with 'vier Ecken' (four corners).
In der Geometrie lernen Kinder zuerst das Dreieck und das Viereck.
In geometry, children first learn the triangle and the quadrilateral.
The pattern '[number] + eck' is used for many geometric figures. If you know this pattern, you can also easily understand other words such as 'Dreieck' (triangle), 'Fünfeck' (pentagon), or 'Achteck' (octagon).
Ein Stoppschild hat die Form eines Achtecks.
A stop sign has the shape of an octagon.
In a mathematical context, 'Viereck' is often combined with certain verbs. Typical phrases are 'ein Viereck zeichnen' (to draw a quadrilateral), 'den Flächeninhalt eines Vierecks berechnen' (to calculate the area of a quadrilateral), or 'ein Viereck konstruieren' (to construct a quadrilateral).
Die Aufgabe war, ein Viereck mit vier gleich langen Seiten zu zeichnen.
The task was to draw a quadrilateral with four sides of equal length.
