Assertion: tetrahedron's face | /r/HasProperty | isoscele
Facets:
value: with the same sides
type: OTHER
value: with base
type: OTHER
Source sentences:
text: In 1943, E. P. Starke published another example, in which two faces are isosceles triangles with base 896 and sides 1073, and the other two faces are also isosceles with base 990 and the same sides.