A regular polygon has sides that are equal in length and equal angles. These shapes are all regular polygons. A regular triangle is called an equilateral triangle. A regular quadrilateral is ...

Only the orange triangle has 3 equal sides and 3 equal angles. This is a regular polygon. It is called an equilateral triangle. The other triangles are irregular polygons. 3D shapes have different ...

Thus, for instance, unlike Euclidean triangles, the sides of a hyperbolic triangle are uniquely determined by its hyperbolic angles. Elegant formulas for calculating the hyperbolic side-lengths of a ...

It is generally best if the triangles forming your polyhedron are approximately equilateral. The slices parameter specifies the number of slices to insert between each pair of profiles, either a ...

You likely already know about the Bermuda Triangle, where more than 50 ships and 20 aircraft have strangely disappeared over the years. However, in Sky HISTORY series Hunting History with Steven ...