Question
In how many lines two distinct planes can intersect?
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Answer
If we look at two intersecting plane, we can see that there is only one unique line at which the two planes intersect.
Therefore, two distinct planes can intersect each other at a single unique line as only a single line is common between two intersecting planes.
Therefore, two distinct planes can intersect each other at a single unique line as only a single line is common between two intersecting planes.
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