The answer depends on the vertex of WHAT!
It's where the two lines meet, kinda like the corner...
i don't know! you tell me!
The vertex angle is connected to the vertex point
You require another piece of information. Knowing the "vertex" angle will not tell you the length of any one side. You can have a triangle the size of the continental USA with a "vertex" angle of 15 degrees and you can have a triangle invisible to the human eye with a "vertex" angle of 15 degrees. You can see how these would have different side lengths.
A straight line has no vertex.
The answer depends on the vertex of WHAT!
It's where the two lines meet, kinda like the corner...
i don't know! you tell me!
The vertex angle is connected to the vertex point
You require another piece of information. Knowing the "vertex" angle will not tell you the length of any one side. You can have a triangle the size of the continental USA with a "vertex" angle of 15 degrees and you can have a triangle invisible to the human eye with a "vertex" angle of 15 degrees. You can see how these would have different side lengths.
A cube has no vertex
A circle does not have a vertex.
Vertex of a triangle is any of its 3 corners and the plural of vertex is vertices
vertex
A triangle is not a segment joining a vertex and the midpoint of the side opposite the vertex.
The vertex