a three sided polygon? that's the best answer I've ever been able to find Ummm....a triangle perhaps?!
A 7 sided pyramid would be called a heptahedral or heptahedron.
No. When it is found it will just be called "Cleopatra's Tomb".
A flat topped mud brick tomb is called a mastaba.
Wow, really... a pyramid is three sided and it has been used as a tomb. (technically it's 4 sided, three sides and a bottom, but that's as close as your going to get to a three sided tomb, especially in geometry...)
The name of the angle which has three sided polygon called Triangle.
It is called a triangle.
It is called a triangle. three-sided polygon is called a triangle, from the Greek word "tri" meaning "three" as in tricycle, or tripod. from : espi
A three-sided, two-dimensional polygon is called a "triangle".
Its called the triastermede. Hope this helps!
A triangular pyramid.