8 Corners and sides.
As many corners as sides.
four sides and four corners
600 corners 300 sides
A cylinder has three sides and no corners.
The cells in a beehive are six-sided.
This shape has ten sides
Stars are spherical bodies and have no sides nor corners.
A pentagon has 5 sides and 5 corners or vertices.
An octagon has 8 sides and 8 corners, or vertices.
A pentagon has 5 sides and 5 corners or vertices.
An octagon has the same number of corners as sides. So, an octagon which has 8 sides has 8 corners.