Assertion: heptagon's angle | /r/HasProperty | congruent
Facets:
Source sentences:
text: It’s called a regular heptagon because all side and angles are congruent (equal in size and shape).
text: The hexagon in the picture on the right is a regular hexagon because all the sides and angles are the same (congruent).
text: If the heptagon is a regular heptagon, meaning all sides and angles are congruent, then the formula (180(n-2))/ n gives the individual interior angle measure.