Question

what is the minimum number of planes needed for their intersection to be a line? 1 5 0 2

Explanation:

Step1: Recall plane - line intersection concept

In three - dimensional space, the intersection of two non - parallel planes is a line. One plane cannot form a line by intersection (it's just itself), and 0 planes is not applicable for intersection. Five planes are more than necessary.

Answer:

D. 2