Answer:
A transversal is a line that intersects two or more other lines. To determine if a line is a transversal, you need to identify at least two other lines that it intersects.
One way to do this is to look for two parallel lines and see if the given line intersects both of them. If it does, then it is a transversal.
Another way is to look for two lines that are not parallel and see if the given line intersects both of them. If it does, then it is a transversal.
It's also worth noting that transversals can intersect more than two lines, so if you see a line that intersects several other lines, it's likely a transversal.