Tetrahedron facts for kids
A tetrahedron (triangular pyramid) is a three-dimensional shape. It has four corners. It looks like a pyramid. It has six equally long edges, four corners and four equilateral triangular faces. Every two edges meet on one of those corners forming a sixty-degree angle. All of its sides are triangles.
Formulas for a regular tetrahedron
A regular tetrahedron is a tetrahedron where all of its edges are the same length. If the length of an edge is a:
Surface area | ![]() |
Face area | ![]() |
Height | ![]() ![]() |
Volume | ![]() ![]() |
Images for kids
See also
In Spanish: Tetraedro para niños
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Tetrahedron Facts for Kids. Kiddle Encyclopedia.