Early Rugby balls were sewn from pigs' bladders covered with leather which is why they had an oval shape. They are now made from synthetic materials, and the original oval or sphere shape was the shape of choice.
the rugby ball looks like an egg and oral shape. The original rugby ball was round. Later, rugby balls were made from an inflated pig's bladder encased in leather. This gave the ball its oval shape. Modern rugby balls don't include a pig's bladder.
they are the shape of a rugby ball
The shape of a rugby ball.
You use a rugby ball to play rugby. It is shaped like an egg.
like a rugby ball
An elliptical galaxy has - well - an elliptical shape. Much like an American football, a rugby ball or an egg. See related link for a pictorial.
Its a prolate spheroid
A rugby ball is oval in shape because it a good shape to throw and catch. It also makes it more aerodynamic and bounces more interestingly and unpredictably when hitting the floor.
A rugby (league or union) ball is a prolate spheroid. The same shape is also used in Australian Rules Football, and in both American and Canadian football.
a rugby ball a rugby ball a rugby ball
James Harrison 1879-1946
because the egg is like a ball