Vertices

What is a vertex?

A vertex is a point where two or more line segments meet. In geometry, a vertex is typically where two or more edges of a shape or solid meet. For example, in a triangle, the three corners are the vertices.

How to identify vertices:

- For 2D shapes, count the number of corners. Each corner represents a vertex. For example, a square has 4 vertices.

- For 3D shapes, identify the points where the edges meet. Each point of intersection represents a vertex. For example, a cube has 8 vertices.

How to count vertices:

- Count the number of corners or points of intersection in 2D and 3D shapes.

- For example, a rectangular prism has 8 vertices.

Study Guide:

1. Learn the definition of a vertex and understand its significance in geometry.

2. Practice identifying and counting vertices in different 2D and 3D shapes.

3. Review the properties of common shapes and solids to understand the relationship between their edges and vertices.

Understanding vertices is essential for geometry problems and visualizing shapes in space. Make sure to practice identifying and counting vertices to master this concept!