Egyptian pyramids usually did; Mesoamerican pyramids generally did not.
The pyramids and pharohs
This sounds like you are talking about a pyramid. Pyramids in Geometry are not restricted to the square pyramids you may be used to seeing in pictures of from Egypt. Pyramids are named after the type of polygon that make up their base. In Egypt, since the bases of those pyramids are squares, they are known as square pyramids. If you had a pyramid with a pentagon for a base, then it would be a pentagonal pyramid. Pyramids always have triangles for sides that meet at a common point at the top which is known as the apex.
At one time the pyramids were covered in limestone.
cones are similar to pyramids because they come to a point, also known as the vertex. Cones and pyramids are also conic. Cylinders are similar to prisms because their base, no matter what shape, will translate (slide) all the way up the middle to the top. Basically, their 2 bases should always always always be congruent. Prisms and cylinders are also cylindric.
Why do autotrophs always occupy the lowest level of ecological pyramids?
The top of the pyramid is called the 'Apex.'
A ramp.
Aztec pyramids were actually temples, so the priest and the sacrifice (usually human) would walk up to the top.
No but they are always coplanar.
there was a piece of Gold on top of the Pyramids but Robers stole it
no , pyramids need not have only squares as their base. the base of a pyramid can be any polygon.
Step pyramids are similar in shape to smooth pyramids. They are made by gradually inclined steps that taper in to reach the top center stone.