An assisted living facility is a community for seniors who cannot live independently. One of the reasons that assisted living centers are appealing to many people is that they offer a relatively high level of independence.
A line segment is a piece, or part, of a line in geometry. A line segment is represented by end points on each end of the line segment. A line in geometry is represented by a line with arrows at each end.
Mid-segment. A special segment of a triangle that connects the midpoints of two sides of the triangle; this segment is parallel to the side of the triangle that it does not intersect and is half of that sides length.