It is well-known that Pythagoras’ ancient Greek equation for right triangles: a2+ b2= c2 , is older than ancient Greece. We also know that in Khufu’s pyramid the height equals the radius of a circle ...

Archaeologists in China have unearthed what they think could be a portrait of a king carved into the foot of the Shimao Pyramid in the Shaanxi province. The sculpture is one of 70-some stone carvings ...

This unpainted wooden model of a square pyramid has a square base and four equilateral triangles on the sides. It divides into four equal pyramids along the edges. There are no labels.