Respuesta :

carlosego

For this case we have that by definition:

A triangle is defined by three lines that are called sides, or by three points called vertices.

We know that:

  1. The vertices of a triangle are labeled with capital letters.
  2. The sides of a triangle are written with lowercase letters.
  3. The angles of a triangle are written similarly to the vertices.

Answer:

The end points of the triangle are called vertices.

They are labeled in capital letters.

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