None. It's rectangular.
It does not have to be rectangular. Circular or elliptical ones are common.
A rectangular prism has a rectangular cross section whereas a cylinder has a circular cross section
none
A cone has a circular base while a pyramid has a square (rectangular) base.
a circular
none. circular columns are better than rectangular ones.
None. It's rectangular.
It does not have to be rectangular. Circular or elliptical ones are common.
Yes. An annulus is a circular disc with a concentric circular disc cut out of it.
Animal cells are circular. Plant cells are rectangular.
A rectangular pyramid has no circular bases.
A cylinder has a circular cross section, a rectangular prism has a rectangular cross section.
A rectangular prism has a rectangular cross section whereas a cylinder has a circular cross section
none
A cone has a circular base while a pyramid has a square (rectangular) base.
Half a torus - a donut cut into a semi-circular disc.