New2grammar 1. ' I think both are ok 2. ' or 'X is the point where the two lines cross each other'.
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New2grammar1. 'The two lines cross.' or 'The two lines cross each other.' I think both are ok
2. 'X is the point where the two lines cross.' or 'X is the point where the two lines cross each other'. I think both are ok
3. The point where two lines cross is called crossing point. =>