Edge [ej]
Noun
In a 3D shape that is composed and produced of faces, an edge is a line segment where two surfaces meet. Where 3 or more edges meet, a vertex is created.
Noun
In a 3D shape that is composed and produced of faces, an edge is a line segment where two surfaces meet. Where 3 or more edges meet, a vertex is created.
The rectangular prism above there are 6 faces, therefore since an edge is where two surfaces meet, there are 12 edges in the solid figure.
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