Add Yahoo as a preferred source to see more of our stories on Google. A high school teacher didn't expect a solution when she set a 2,000-year-old Pythagorean Theorem problem in front of her students.

Let's explore how the Pythagorean theorem was known and applied in India centuries before Pythagoras, highlighting a poetic geometry problem from Bhāskara II’s Līlāvatī. It traces the theorem’s ...