Calculators and formulas for triakis tetrahedron
This function calculates various parameters of a triakis tetrahedron. Entering one value is sufficient for the calculation; all others are calculated from it.
The triakis tetrahedron is a convex polyhedron made up of 12 isosceles triangles. It has 8 corners and 18 edges.
To calculate a triakis tetrahedron, select the property you know from the menu and enter its value. Then click on the 'Calculate' button.
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| Pyramid edge | \(\displaystyle b=\frac{3·a}{5}\) |
| Height | \(\displaystyle h=\frac{3·a·\sqrt{6}}{5}\) |
| Surface | \(\displaystyle A=\frac{3·a^2·\sqrt{11}}{5}\) |
| Volume | \(\displaystyle V=\frac{3·a^3·\sqrt{2}}{20}\) |
| Edge radius | \(\displaystyle R_K=\frac{a·\sqrt{2}}{4}\) |
| Inner radius | \(\displaystyle R_I=\frac{3·a}{4}·\sqrt{\frac{2}{11}}\) |
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