A headstone can be a rectangular pyramid.
If it is rectangular pyramid then it must be pyramidal in shape: otherwise it would not be called that!
I don't really understand your question, but one example of a rectangular based pyramid is the Great Pyramid in Giza.
Pyramid in Egypt is one of the real example of rectangular pyramid :)
The Great Pyramids in Egypt
A rectangle pyramid is a 4 sided pyramid (4 sided in the triangles) with a base of a rectangle. An Egyptian pyramid is a great example of a rectangular pyramid.
A rectangular pyramid.
Rectangular prism = 6Triangular prism = 5 Triangular pyramid = 4 Rectangular prism: it is still 6 Rectangular pyramid = 5.
Rectangular pyramid.
A rectangular pyramid.
Triangular prism - 6 Rectangular prism - 8 Rectangular pyramid - 5 Square pyramid - 5 Answer: Rectangular prism
A triangular pyramid has 4 triangular sides.A rectangular pyramid has 4 triangular sides and 1 rectangular side.