If two planes cross one another, then their intersection is two lines. true or false

Question

goformit100 · Answer

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jdoe0001 · Answer

I'd think if they cross each other, they'd collide and their intersection will be a big explosion  =)

jdoe0001 · Answer

assuming they don't collide, their path will be a line crossing the other

anonymous · Answer

i believe false. their intersection should be only one line

anonymous · Answer

|dw:1383417791294:dw|

anonymous · Answer

the dotted line that is:
|dw:1383417920428:dw|