A triangle has three vertices. A triangle consists of three lines, and the location where one line endpoint meets another line endpoint is called a vertex. A square consists of four vertices, while an octagon contains eight vertices.
Continue ReadingAny polygon has the same number of vertices as it does sides; this is a constant that never changes, no matter how many lines are introduced into a polygonal shape.
A collinear vertice refers to a set of points that lie on the same straight line.
Triangles are classified by the length of their sides and by the interior angles of the corners.
Learn more about Shapes