Answer:
Cone.
Step-by-step explanation:
We know that
Vertex is the common point of two sides or we can say the vertex is the corner point of the figures.
for example, Square has 4 corners or say 4 vertex while cube has 8 corners or say 8 vertex.
Apex is also a vertex which is at the highest potion of the figure.
For example: Top vertex of any pyramid is an Apex.
So we only have one figure which has a vertex which is also an Apex that is Cone.
Base of cone is circular. So, it does not has any vertex in the base. It only has a vertex at top which is also known as Apex.
