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Tag Archives: tetrahedron
Five Regular Solids, Part Three
Parts One and Two of this series of blogs established the following facts about solids that have F flat faces, E straight edges and V vertices. 1. The second fact concerns those solids that are regular. By regular we mean … Continue reading
Posted in Geometry, Mathematics and Logic
Tagged cube, dodecahedron, icosahedron, mathematics, octahedron, polyhedra, regular solids, tetrahedron
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Five Regular Solids, Part Two
We have counted the number of faces (F), the number of vertices (V) and the number of edges (E) on five regular solids. These solids are regular because the number of edges bounding each face (m) is the same for … Continue reading
Posted in Geometry, Mathematics and Logic
Tagged cube, dodecahedron, icosahedron, mathematics, octahedron, polyhedra, regular solids, tetrahedron
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Five Regular Solids, Part One
Observe the five colourful objects that head my blog. The tetrahedron Leftmost is a tetrahedron — a pyramid with a triangular base. Notice how regular and symmetric it is. It has four corners — mathematicians call them vertices (singular vertex) … Continue reading
Posted in Uncategorized
Tagged cube, dodecahedron, icosahedron, octahedron, polyhedra, regular solids, tetrahedron
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