Assertion: heptagon's angle | /r/CapableOf | add up to 900 degrees
Facets:
Source sentences:
text: The 7 interior angles of an heptagon add up to 900 degrees
text: A heptagon is a polygon with 7 sides and 7 interior angles which add to 900 degrees.
text: A heptagon has 7 exterior angles that add up to 360 degrees and it has 7 interior angles that add up to 900 degrees
text: All the angles add up to 900 degrees.
text: It is not necessarily regular however, because although the angles in a regular heptagon would add to 900 degrees, an irregular heptagon would also add to this number.