The first Pyramids and most famous are located in Egypt specificly at Giza in Cairo.
There are hundreds of Pyramids along the west side of river Nile southbound to the Aswan dam.
There are also Pyramids spread around the world covering all continents and North. South Hemisphers. You can visit the following links that will provide you more information about pyramids of the world.
http://en.wikipedia.org/wiki/Egyptian_pyramids
http://en.wikipedia.org/wiki/Pyramid_of_Hellinikon
http://en.wikipedia.org/wiki/Mesoamerican_pyramids
http://en.wikipedia.org/wiki/Platform_mound
http://en.wikipedia.org/wiki/Nubian_pyramids
http://en.wikipedia.org/wiki/Pyramid_of_Cestius
the pyramids were used in ancient egypt for burial tombs
Egypt, Mexico
The largest pyramid in Egypt is the pyramid in Giza. It is the largest pyramid in all of ancient Egypt.
no
no
all the bases of a pyramids are polygon
They did not they just found a location and started to build
the Great Pyramid of the sphinx is located at Giza
in the west bank of nile
Pyramids of Giza, Dashir and Saqarra
yes all triangular pyramids are tetrahedra!!!!!!!!!!!!!
That makes no sense at all.