Yes they can.
Chat with our AI personalities
Two distinct planes will intersect in one straight line.
No, the two planes intersect at a line, which is an infinite number of points.
Two planes intersect at a line. The line where they intersect pertains to both planes. In the same manner, if infinitely many planes intersect each other at the same line, then that line pertains to the infinitely many planes.
A line. When two planes intersect, their intersection is a line.
The intersection of three planes can be a plane (if they are coplanar), a line, or a point.