How Many Vertices Does a Triangle Have?
Last Updated Mar 25, 2020 12:56:14 PM ET
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.
Any 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.
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