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Shapes and area
3D shapes: faces, edges, vertices
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There are eight main 3D shapes that you need to learn. 3D shapes also have their own parts that can be labelled such as faces, edges and vertices.
Here are a list of 3D shapes you need to know.
Cube
Cuboid
Sphere
Cylinder
Square-based pyramid
Triangular-based pyramid (also known as a tetrahedron)
Cone
Triangular prism
There are three important terms to know when dealing with 3D shapes.
Face
A flat (2D) surface on the 3D shape
Edge
A line where two faces meet
Vertex
A point where two or more edges meet
How many faces, edges and vertices does a cube have?
By drawing a transparent cube, it can be seen that a cube has:
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Overview
A face of a 3D shape is a flat (2D) surface.
The edge of a 3D shape is a line where two faces meet.
The vertex of a 3D shape is a point where 2 or more edges meet.
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