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A plane is a flat surface with limitless area.
A '''plane''' is a flat surface with limitless area.
It takes only three [[point]]s to determine a plane, but they must be non-[[collinear]], i.e., they can't all be on the same line.
It takes only three [[point]]s to determine a plane, but they must be non-[[collinear]], i.e., they can't all be on the same line.