𝒚. 𝒚 is half of 𝒙. Pythagoras’ theorem can then be used on either of the two right-angled triangles. The 3.4 m length becomes the hypotenuse so should be labelled 𝒄. The height is 3 ...

Pythagoras was a smart guy: sure, he had some pretty rogue beliefs about beans, but the man knew his triangles, something ...

What began as a bonus question in a high school math contest has resulted in a staggering 10 new ways to prove the ancient ...