Truncated Tetrahedron
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An Archimedean Solid whose dual is the Triakis Tetrahedron. It has Schläfli Symbol t
. It is also Uniform Polyhedron 
and has Wythoff Symbol 
. Its faces are
. The Inradius, Midradius, and Circumradius for a truncated tetrahedron with
are
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- Integral Current
- Integral Curvature
- Integral Domain
- Integral Drawing
- Integral Equation
- Integral of Motion
- Integral Sign
- Integral Test
- Integral Transform
- Integrand
- Integrating Factor
- Integration
- Integration by Parts
- Integration Lattice
- Intension
- Interchange Graph
- Interest
- Interior
- Interior Angle Bisector
- Intermediate Value Theorem
- Internal Bisectors Problem
- Internal Knot
- Interpolation
- Interquartile Range
- Interradius