Heptagon
a hexagon
4 sides 4 interior angles 4 corners
5 coners
A rectangle has four coners.
No because cubes do not have opposite sides that are different lengths. Cubes have all equal sides and all equal coners. A cube is not a rectangle.
in brocoli
yes
None
It has 7 sides
8
the coners
heptagons have 7 sides