Question

________ is a vertex of <ABC​

Answer 1

Step-by-step explanation:

Vertex A,B or C is the answer because the lie at the corners

Answer 2

Answer:

Types of Vertex

Types of vertices

An isolated vertex is a vertex with a degree

Step-by-step explanation:

An isolated vertex is a vertex with degree zero; that is, a vertex that is not an endpoint of any edge (the example image illustrates one isolated vertex). A leaf vertex (also pendant vertex) is a vertex with degree one.