GCSE Maths (Edexcel)

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Edges & Vertices in 3D

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Geometry and Measures Properties and Constructions

Edges & Vertices in 3D

2:14 3D Shape Terminology
Spec G12
Previous Faces & Surfaces Next Cubes & Cuboids
  • In 3D, an edge is the line where two faces meet
  • In 2D, an edge is the bounds of the shape
  • A vertex in 3D is a point where three or more edges meet
  • A vertex in 2D is a point where two edges meet
  • Edges that are not visible in a particular orientation are represented by dotted lines
  • Dotted lines help visualize the hidden edges and faces of a 3D shape in 2D representation

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