Every month, hundreds of galleries add newly available works by thousands of artists to the Artnet Gallery Network—and every week, we shine a spotlight on one artist or exhibition you should know.

Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...

The Pythagorean Theorem, a cornerstone of geometry, empowers students to solve right triangle problems and unlock advanced mathematical concepts. Mastering this theorem enhances logical reasoning, ...

Sanjeev Kohli takes us on a trip to the hairdresser's where a stylist, Sharz Din, explains that angles are important in his technical work.