# 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.

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

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.

The three-dimensional figure above has 8 vertices.

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