A 7 sided pyramid would be called a heptahedral or heptahedron.
the pointy pyramid is just that a pyramid
Khafre Pyramid
=Pyramid=
No the "Pyramid Age" lasted from 2630 BC until about 1514 BC.
Step Pyramid.
It is the net of its solid shape. If the top of the pyramid is cut off parallel to the base, then it is a truncated pyramid, or a frustum.
a circle that has been flattened a little is an
If by "flattened" you mean "like someone took a sphere and sat on it", that would be an oblate spheroid.
A line.
a monophelia
a net
The shape of a flattened circle is called an ellipse. The shape is similar to an oval and some may mistakenly call it an oval.
A square based pyramid is called a square pyramid
They are called granna. Membranes are called thylakoid.
Primary oocyte is surrounded by flattened epithelial cells called follicular cells.
the Greeks had a food that looked like a pyramid and was called something similar to it.