Assertion: tetrahedron | /r/HasProperty | isoscele
Facets:
Source sentences:
text: Ah, of course, just because the tetrahedron is isosceles, it does not mean the face triangles are: in the tetrahedron the equal edges are not adjacent.
text: If the tetrahedron is isosceles, life is somewhat simpler because the four faces will be congruent, and will therefore all have the same area.
text: Tetrahedron is isosceles if its opposite edges are pairwise equal.
text: Tetrahedron with faces of equal perimeters is isosceles.
text: Tetrahedron with faces of equal areas is isosceles.
text: Tetrahedron in which the centers of the inscribed and the circumscribed spheres coincide is isosceles.
text: Tetrahedron in which the circumcenter and centroid coincide is isosceles.
text: Tetrahedron in which common perpendiculars of the opposite edges are pairwise orthogonal is isosceles.
text: Tetrahedron is orthogonal or isosceles whenever its opposite edges are orthogonal or, respectively, equal.