# data[].attributes.body
the midpoint of the line segment

# data[].attributes.attachment_link.title
Segment Addition Postulate - MathHelp.com - Geometry Help

# data[].attributes.attachment_link.description
For a complete lesson on segment addition postulate and midpoint, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn the segment addition postulate and the definition of a midpoint, as well as the definitions of congruent segments and segment bisectors.