Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...

From trigonometry to Pythagoras' theorem, there are plenty of mathematical terms you might remember from school – but could you actually answer a question now? After a survey found half of British ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Louisiana students ...

Akshat was working through a standard geometry exercise, the chapter that introduces the right-angled triangle and the formula a 2 + b 2 = c 2. He paused for a moment, not because the problem was ...