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  1. Tetrahedron - Wikipedia

    In geometry, a tetrahedron (pl.: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices. The …

  2. Tetrahedron - Math.net

    Below is a tetrahedron example. A tetrahedron is a three-dimensional (3D) figure made up of 4 triangular faces. It is also known as a triangular pyramid. If all of the triangles that form the …

  3. Tetrahedron - Definition, Formulas, Examples, and Diagrams

    Jun 8, 2024 · What is a tetrahedron. Learn how to find its surface area and volume with formulas, solved examples, and diagrams

  4. Tetrahedron - Meaning, Properties, Formulas | Tetrahedron

    A tetrahedron is a polyhedron with 4 faces, 6 edges, and 4 vertices, in which all the faces are triangles. Observe the tetrahedron given below to see its faces, vertices, and edges.

  5. Tetrahedron: Definition, Properties & Key Formulas in Maths

    A tetrahedron is a pyramid with a triangular base and three triangular faces that meet at a single apex. In contrast, a triangular prism has two identical triangular bases and three rectangular …

  6. Spinning Tetrahedron - Math is Fun

    A tetrahedron is actually a triangular pyramid! It has a triangle for a base and three more triangles for its sides.

  7. Tetrahedron - from Wolfram MathWorld

    In general, a tetrahedron is a polyhedron with four sides. If all faces are congruent, the tetrahedron is known as an isosceles tetrahedron.

  8. Regular Tetrahedron Formula - GeeksforGeeks

    Jul 23, 2025 · A regular tetrahedron is a three-dimensional figure of four triangular faces, each equilateral. All four faces are congruent to each other. It can also be referred to as a triangular …

  9. What Is a Tetrahedron in Math? | Simple 3D Shape Explained!

    Understanding a tetrahedron helps students explore 3D geometry and strengthens spatial reasoning skills. In this video, we cover the tetrahedron meaning, provide tetrahedron …

  10. Tetrahedron - Thinkster Math Help

    A tetrahedron is a triangular pyramid composed of 4 triangular faces, 6 straight edges, and 4 vertex corners. A regular tetrahedron has all 4 faces as equilateral triangles.