The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is 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 ...

BISMARCK-In a Bismarck classroom last month, students learned the Pythagorean theorem. They took notes and asked questions as their teacher explained how to calculate the hypotenuse of right triangle.

PRESENTER:Pythagoras' theorem sounds a bit complicated, so what is it in a nutshell? PRESENTER:Well, it's actually pretty simple really. PRESENTER:When we have a right-angled triangle and we know the ...