the bottom and supporting part of the shape
If you include the base as a side (you should) then the answer is no. If you don't then you can have a tetrahedron. The name implies a solid shape with four (tetra-) sides so the base really should be counted.
Military bases employed MANY people. When the cold war ended in 1990, base closures put MANY people out of work.
A pyramid has a pointy top and it is a 3D shape.
it can be any shape
The Parthenon is rectangular in shape.
the shape of the base of a rectangular pyramid is a rectangle.
The bottom line of a shape is the base of the shape. For example, the bottom line of a pyramid is the base of the pyramid.
The shape of each base of a cylinder is circle. Also, the base of it can be a pair of congruent or parallel.
Their base shape. For example a rectangular prism has base that is a rectangle. Guess what kind of base shape a triangular prism has? yes, triangle.
Its a Pentagon.
it is the shape of a star
a square * * * * * That would be a square pyramid! A triangular pyramid would have ... wait for it ... a TRIANGULAR base! Worth waiting for, wasn't it?
You find the length and height of the shape, them you find the volume
The answer depends on the shape of the base: the appropriate formula will vary from one shape to another.
The bottom or (Base) of a shape. Example...
A rhombus has no base. It is flat.
The hexagon is the base.