Here's perhaps one of the most interesting facts about the number pi : This French luxury perfume house has a men's fragrance ...

But we do have some ideas. It seems that the Egyptians used pi in the construction of the Great Pyramid because when the perimeter is divided by its height, one gets a close approximation to 2π.

The pyramid, which is located about 11 miles from Cairo's center, is the largest of three pyramids in the Giza complex. It was completed around 2560 BCE, according to Encyclopaedia Britannica.

Located above the main entrance of the pyramid, it measures nearly 30 feet in length and is over six feet wide. The Great Pyramid of Giza was constructed as a monumental tomb during the reign of ...

Map of the known corridors and rooms inside the Great Pyramid of Giza. Evidence of a secret corridor was detected in 2016 behind the famed chevron blocks on the north face (h). Another mysterious ...