One of the first theorems anyone learns in mathematics is the Pythagorean theorem: if you have a right triangle, then the square of the longest side (the hypotenuse) will always equal the sums of the ...

There’s a delightful mathematical moment in the movie Merry Andrew, when Danny Kaye, playing schoolmaster Andrew Larabee, breaks into song to teach the Pythagorean theorem. I was reminded of this ...

This is an updated version of a story first published on Nov. 1, 2024 For centuries, students have learned that in a right triangle, the square of the hypotenuse equals the sum of the squares of the ...