system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
What is the longest side of the right triangle called?
gpt
A hypotenuse is the longest side of a right triangle. It's the side that is opposite to the right angle.

To find the hypotenuse of a right triangle, add the squares of the other sides, then take the square root.