Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: James Garfield used trapezoids to prove this result, which is also proven in Euclid's Elements. With integral values for its three variables, it gives rise to namesake ""triples,"" which cannot be found for exponents greater than two, according to Fermat's Last Theorem. It is a special case of the cosine law, where the angle is ninety degrees. For 10 points, name this theorem which is stated as ""A squared plus B squared equals C squared. ""
A:
Science