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en.wikipedia.org/wiki/Football_(ball)

The first games of Australian football were played with a round ball, because balls of that shape were more readily available. In 1860, Australian football pioneer Tom Wills argued that the oval rugby ball travelled further in the air and made for a more exciting game. It became customary in Australian football by the 1870s.

www.thefreedictionary.com/ball-shaped

Cimon, a free-flying ball-shaped robot with a smiling face, an appreciation of music and a vocabulary of more than 1,000 sentences, is set to join the crew of the International Space Station (ISS).

golf-info-guide.com/golf-tips/the-golf-swing/how-do-i-shape-the-golf-ball-on...

HOW DO I SHAPE THE GOLF BALL ON DEMAND? >> Shaping the golf ball can be a huge advantage when playing a round of golf.Shaping the golf ball is very important when you would like to position your drive off the tee so that you hit the best side of the fairway to make... – VOTED #1 GOLF SITE!

Question: What shape is a tennis ball? 3D Shapes: A 3-dimensional (or 3D) shape is defined as any shape or object that takes up space. Some common 3D shapes we identify in math are prisms, cubes ...

The name for a solid shape made out of that specific arrangement of hexagons and pentagons is known as a 'truncated icosohedron'. Once fully inflated, a ball is typically spherical in shape.

www.reference.com/math/geometric-shape-football-294c54c63c91f9b9

An American football is shaped like a prolate spheroid, a continuously curved three-dimensional object that is longer than it is around. Footballs used for the game of soccer are truncated icosahedrons, three-dimensional objects with 32 sides. Prolate spheroids and truncated icosahedrons both have their advantages as playing ball shapes.

www.quora.com/What-is-the-shape-of-a-ball-Is-it-spherical-or-a-circle

What is the shape of a ball? Is it spherical or a circle? In its simplest definition, a circle is a 2-dimensional closed shape in which all the points on a plane are equidistant from the center, that distance being the radius. Relevant to the ques...