A vertex is defined as

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Prepare for your Leaving Certificate Mathematics exam with a comprehensive practice test featuring key definitions. Use flashcards, multiple choice questions, and detailed explanations to ensure success and mastery of fundamental math concepts.

Multiple Choice

A vertex is defined as

Explanation:
A vertex is the corner where edges come together. It’s the point where two or more straight lines meet to form a corner of a shape such as a polygon or polyhedron. That makes this description the best fit: two or more lines meeting at a point creates the corner you think of as a vertex. The endpoint of a line segment is just an end point, not necessarily a corner where lines meet. The intersection of two curves can occur without forming a polygonal vertex, since it isn’t required to be a corner of a shape. The midpoint of a side is simply the center of that side, not a corner.

A vertex is the corner where edges come together. It’s the point where two or more straight lines meet to form a corner of a shape such as a polygon or polyhedron. That makes this description the best fit: two or more lines meeting at a point creates the corner you think of as a vertex.

The endpoint of a line segment is just an end point, not necessarily a corner where lines meet. The intersection of two curves can occur without forming a polygonal vertex, since it isn’t required to be a corner of a shape. The midpoint of a side is simply the center of that side, not a corner.

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