tetrahedra Definition
a solid shape with four triangular faces, four vertices, and six straight edges.
Using tetrahedra: Examples
Take a moment to familiarize yourself with how "tetrahedra" can be used in various situations through the following examples!
Example
The molecule of methane is tetrahedral in shape.
Example
The pyramid is a tetrahedron with a triangular base.
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Summary: tetrahedra in Brief
A 'tetrahedra' [te-truh-hee-druh] is a solid shape with four triangular faces, four vertices, and six straight edges. It is commonly found in geometry and crystallography, as seen in the molecule of methane and the pyramid with a triangular base.