Leonardo da Vinci's Vitruvian Man is a mysterious treasure of Renaissance art. A dentist believes he may have uncovered one ...

For more than five centuries, Leonardo da Vinci’s Vitruvian Man has invited admiration but also bafflement. With its ...

Dudeney's question concerned transforming an equilateral triangle into a square by cutting and rearranging the pieces. This type of problem, known as geometric dissection, interests both puzzle ...

The wide lawn of the National Building Museum in Washington, D.C., has taken on a riot of rainbow hues in a geometric mural designed by artist Lisa Marie Thalhammer. The installation, titled ...

The reason the shape changes from 3D to 2D when you get to six triangles has to do with the number of degrees in an equilateral triangle. There are 60 degrees at each vertex of the triangle, so ...

The Modern Geometry of the Triangle. By W. Gallatly. Pp ... A pretty theorem in the latter is that all equilateral triangles in a given plane project upon another plane into triangles having the ...

Discover the different types of triangles and find out the difference between an equilateral, scalene, isosceles and right-angled triangle in this KS2 guide.

A geometry problem over a century old has just found its definitive answer. Mathematicians have confirmed that the solution proposed by Henry Dudeney in 1907 was indeed the most efficient possible.