Wolfram|Alpha Tetrahedron Surface Area Calculators

Wolfram|Alpha has tetrahedron surface area calculators. Solve surface area problems related to truncated or augmented truncated tetrahedra; equilateral augmented tetrahedra; first tetrahedron 2‐, 3‐, 4‐, 5‐, 6‐ or 10‐compounds; second tetrahedron 2‐ or 4‐compounds; third tetrahedron 4‐compounds; triakis tetrahedra or truncated tetrahedra.