Vertex
Jargon-Free Definition
A corner point where lines or edges meet.
QCAA/AC9 Definition
The point where two or more line segments, rays or edges meet.
Examples of Word Use in School
- Count the vertices of the shape.
- Label the vertex of the angle.
- Identify the vertices of the prism.
Mathematical Definition
A point of intersection of sides in a polygon, edges in a polyhedron, or rays in an angle.