Edge Length of Tetrahedron is the length of any of edges of the Tetrahedron or the distance between any pair of adjacent vertices of the Tetrahedron. And is denoted by le. Edge Length of Tetrahedron is usually measured using the Meter for Length. Note that the value of Edge Length of Tetrahedron is always positive. Typically, the value of Edge Length of Tetrahedron is greater than 0.