An American football, a Rugby football and an Aussie rules ball are all prolate spheroids (pointed ovals). A soccer ball is a sphere.
Get in shape.
It has a curved surface.
The shape of the football was changed from the shape used in rugby to a prolate spheroid in 1897. Cllick on the 'History of the Football' link below to read about the evolution of the ball used in American football.
Explain why the shape of a football in not a polygon
Sphere
you play and pratice football a ton
The ball used in Gaelic Football is round.
A rectangle.
work out
oval
football
a circle in 3d