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 ...
If the sides of the right-angled triangle are labelled 𝑎, 𝑏 and 𝑐 then Pythagoras' theorem can be written as the formula 𝑎² + 𝑏² = 𝑐². Pythagoras' theorem can be used to find the length of line ...