Assertion: tetrahedron's angle | /r/HasProperty | = 3 n=3 n=3
Facets:
Source sentences:
text: For m = 4 m=4 m=4 (square faces), since the interior angle of a square is 9 0 ∘ , 90^{\circ}, 90∘, there can only be n = 3 n=3 n=3.