"In other words, the Great Pyramid is a concave octagonal pyramid, rather than the standard square pyramid," he added. This intriguing characteristic of the Great Pyramid has fascinated experts ...

However researchers actually claim there are eight sides to it, making it an octagonal pyramid, reports LADBible. In 1940, people first started to notice there could be more to the Great Pyramid's ...

The Great Pyramid of Giza, thought to have four sides ... Despite being visible for centuries, the octagonal design wasn’t widely discussed until aerial photography captured its concavity ...

B) hexagonal pyramid. C) octagonal pyramid. What do you notice about the number of faces for each pyramid? The number of faces is 1 more than the number of sides of the base polygon.