You can
put this solution on YOUR website!True or False? Three lines that intersect at the same point must all be in the same plane. Explain why or why not.
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False
If you are in a rectangular room notice that the wall on your left
meets the wall in front of you in a line.
Notice that each of those walls meets the ceiling in two lines
that are in a different plane than the 1st line.
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Cheers,
stan H.
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