For centuries, students have learned that in a right triangle, the square of the hypotenuse equals the sum of the squares of the other two sides. Known as the Pythagorean Theorem, this ...

A high school teacher didn't expect a solution when she set a 2,000-year-old Pythagorean Theorem problem in front of her ...

In a paper published in Nature this week, DeepMind introduced a system called AlphaGeometry that proves complex geometry theorems better than prior computer programs.

Well, perhaps it's time you invest in a new theorem. Unlike many of the other things you can name after someone, this one is pretty cheap ($24).

This article presents a way of studying the rationality that mathematics teachers utilize in managing the teaching of theorems in high-school geometry. More generally, the study illustrates how to ...

Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise.