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 ...

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 ...