← Geometry Triangle Vocab Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All Midsegment a segment that connects the midpoints of two sides of a triangle Perpendicular Bisector a line that is perpendicular to the segment and passes through the segment's midpoint Circumcenter equidistant from the three vertices or a triangle Incenter equidistant from all sides of the triangle, where the angle bisectors meet Median a segment from a vertex to the midpoint of the opposite side Centroid where the medians of a triangle intersect. Divides each median into two parts whose lengths are in a 2:1 ratio. Altitude passes through a vertex and connects to the opposite side of the triangle Orthocenter the place where the three altitudes intersect