Respuesta :

the answer would be the 3rd choice, plane. 

The definition of a circle uses the undefined term plane

How to complete the definition?

A circle is a plane shape surrounded by curves that are equidistant from its center .

From the above definition, we have the undefined term " plane"

This means that, the definition of a circle uses the undefined term plane

Read more about undefined terms at:

https://brainly.com/question/1594507