a leg
Unless the polygon is a triangle, it is a diagonal.
line segment
a chord
A diagonal
That segment is known as a "side" of the triangle.
connects two midpoints of a triangle
a leg
Unless the polygon is a triangle, it is a diagonal.
A line between two verticies is called a line segment.
A line segment connects two endpoints.
A segment that connects two midpoints of a polygon.
a line segment
A side on a triangle is a line that connects two of the apexes.
a midsegment of a triangle
A chord is a line segment which connects any two points on a circle.
line segment