Sam drove to the city square and noticed that the lines weren't quite right. It was a few degrees off, most like a trapezoid.  What might Sam be interested in?\nOptions:\n- architecture\n- geometry\n- fifties\n- town center\n- four corners
Let’s work this out in a step by step way to be sure we have the right answer.
geometry
The lines and degrees are related with geometry.

When Sam drove to the city square and noticed that the lines weren't quite right and a few degrees off like a trapezoid so he might be interested in geometry.

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So, the answer is geometry