Question

what is the longest side of a right triangle called? leg a pythagoras big buddy hypotenuse leg b

Explanation:

In a right - triangle, by definition, the longest side is the hypotenuse which is opposite the right angle. Leg A and Leg B are the two shorter sides that form the right angle. "Pythagoras' Big Buddy" is not a correct term for the side of a right - triangle.

Answer:

C. Hypotenuse