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Tetrahedron

usgb/ˌtetrəˈhiːdrən/Volume
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Mathematical ConceptPlay
Understand that 'tetrahedron' refers to a precise mathematical shape, not any four-faced object. SlideStudying solids, I learned a tetrahedron is a specific type of polyhedron.
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Not Always PyramidPlay
While tetrahedrons resemble pyramids, they precisely have four triangular faces, unlike some pyramids. SlideA pyramid in Egypt isn't a tetrahedron, as its base isn't triangular.
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Regular vs. IrregularPlay
A regular tetrahedron has equal sides; irregular ones don't, but both share the four-face characteristic. SlideA regular tetrahedron is like a 3D equilateral triangle.
Visual representation of the word "Tetrahedron"

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