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

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 ...

Learn about and revise how Pythagoras’ theorem can be used to calculate the sides of right-angled triangles with this Bitesize GCSE Maths Edexcel guide.