For centuries, one of algebra’s oldest puzzles has remained unsolved—how to find exact answers for higher-degree polynomials, where the variable is raised to the fifth power or more. Mathematicians ...

The sum of the angles inside any polygon can be found by splitting the polygon into triangles. The number of triangles that a polygon can be divided into is always two less than its number of sides.

Shapes are everywhere – from the simplest circles and squares to complex polygons and abstract forms. In this video, I count ...

The sum of the angles inside any polygon can be found by spitting the polygon into triangles. Consider any triangle. The sum of the angles is known to be 180° A quadrilateral can be split into ...

Christopher Grant founded Polygon in 2012 and served as its first editor-in-chief through 2019. Since then, he has served as its Publisher, and Group Publisher for sister publication (and BFF ...