Regular Triangular Pyramid Calculator
Calculations in a regular triangular pyramid. This is a regular pyramid to the base 3, respectively a general tetrahedron wtih an equilateral triangle as base and three equal isosceles triangles with base a and legs b as side faces. With a=b, this is a regular tetrahedron. Enter two values of base length, edge length and height. Choose the number of decimal places, then click Calculate.
b² = h² + a²/3
s = √( 4 * b² - a² ) / 4
A = √3 / 4 * a² + 3/2 * a * s
V = √3 / 12 * a² * h
Lengths and heights have the same unit (e.g. meter), the area has this unit squared (e.g. square meter), the volume has this unit to the power of three (e.g. cubic meter). A/V has this unit -1.
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