A regular triangle is called an equilateral triangle. A regular quadrilateral is called a square. Irregular polygons are shapes that have sides and angles of different sizes. You can always ...

The majority of the objects turned out to have an equilateral-triangle shape (Supplementary Fig. S7), allowing us to assume that the actual RNP architectures were close to the designed ones.

Have you ever wondered why the cover of a manhole is nearly always round? Why isn’t it oval or square? Reuleaux curve based on an equilateral triangle. Reuleaux curves based on the pentagon (top ...

Equilateral convex polyhedra must have certain characteristics. Their sides have to be of equal lengths and he shapes must be completely ... 3D form made up of eight triangles), the dodecahedron ...