Assertion: regular polygon's apothem | /r/HasProperty | segment
Facets:
Source sentences:
text: To find the area of a regular polygon, you use an apothem — a segment that joins the polygon’s center to the midpoint of any side and that is perpendicular to that side (segment HM in the following figure is an apothem).
text: An apothem of a regular polygon is a segment with one endpoint at the center and the other endpoint at the midpoint of one of the sides.
text: Apothem is a segment that joins the polygon’s center to the midpoint of any side and it is perpendicular to that side.