Question

Two planes intersect in a line?

Answer 1

Usually, unless the planes are parallel, or turn out to be exactly the same plane.

Answer 2

thank you very much

Answer 3

soo that would be considered as sometimes?

Answer 4

Think of two walls meeting in the corner of the room. Do they form a line?

Answer 5

yes they do

Answer 6

Yup, so the answer will almost always be a line. The exception is when the plates are parallel, which by definition, means that the planes will never meet.

Answer 7

thank you JWUPHYSICS and MERTSJ , i really appreciate your guys' help