A notebook has 8 corners.
Notebook has two syllables.
As many corners as sides.
Oxygen does not have corners.
It has 4 corners
8 corners
hemisphere does not have corners....
8 corners
5 corners
a cylinder has no corners
My QB50 was a ruled notebook with a black hard cover and rounded corners, a little smaller than A6. The inside cover was blue with information including procedure for cautioning a suspect. It was used for recording my activities during investigations.
Krishnamurti's Notebook has 387 pages.
Kangaroo Notebook has 183 pages.