There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a polyhedron. Here is the net of a triangular prism.

The unpainted wooden model of the frustum of a triangular pyramid has three trapezoidal sides and a triangular top and base. It is dissected into three pieces. A paper label attached to one side reads ...

A renowned UFO investigator claims to have debunked the US Navy footage of pyramid-shaped objects flying off the coast of California — saying it “in every way, matches a plane.” ...

Did you know about this spring phenomenon at Pilot Mountain? The pyramid shadow is visible a few hours before sunset this week.

News Weird News Aliens Have alien-hunters discovered an ancient pyramid on Mars? Anomalies spotted on red planet A YouTube user known as ArtAlienTV posted a video online showing what he called ...

Get facts, photos, and travel tips for Chichen Itza, a World Heritage site in Mexico, from National Geographic.

The first area stands in Upper Egypt, some 12 miles from the city of Abu Sidhum along the Nile. It includes a 620ft-wide triangular plateau - almost three times the size of the Great Pyramid.

Royal Nawaab's ambitious plans to turn Stockport Pyramid into a huge restaurant and banquet space are gathering pace ...