Meaning of Vertex in Geometry


What is the meaning of vertex in geometry? The vertex is a point where two or more sides or edges of a geometric figure intersect.

The plural form of vertex is vertices

A few examples helping to understand the meaning of vertex in geometry

The vertex of an angle is the point at which two rays intersect.

Vertex of an angle

The vertex of a quadrilateral is the point at which two sides intersect.

Vertex of a quadrilateral

Notice that the quadrilateral above has 4 vertices.

The vertex of an a three-dimensional figure is the point at which three or more edges intersect.

Vertex of a three-dimensional figure

The three-dimensional figure above has 8 vertices.

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