Assertion: integer triangle | /r/HasAspect | side
Facets:
Source sentences:
text: The only integer triangle with area=semiperimeter  has sides (3, 4, 5).
text: The only integer triangles with area = perimeter have sides   (5, 12, 13), (6, 8, 10), (6, 25, 29), (7, 15, 20), and (9, 10, 17).