The intersection of two planes is _____ a line.
Always
Sometimes
Never
2 answers:
The intersection of two planes is always a line
Answer:
The answer is Somtimes
Step-by-step explanation:
When you have two planes whose intersection is not the empty set, you have two posibilites:
- The two planes are the same. In this case you don't have a line as the intersection of them, but it is again a plane.
-The two plane s are not the same . Then the intersection must be a line by an incidence axiom.
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Sidenote: I hope this answers your questions!
