Question

a plane is an undefined term because it can be named using three noncollinear points is described generally, not using a formal definition is where other geometric shapes can be constructed is a flat surface that extends indefinitely in all directions

Explanation:

In geometry, an undefined term is not formally defined in terms of previously - defined concepts. A plane is described generally as a flat surface extending infinitely in all directions rather than by a formal definition.

Answer:

B. is described generally, not using a formal definition