Why the badminon racket is oval in shape?
All the points of a circles circumferance are equidistant from the centre. If you make a shape with 2 focus points,Foci, then you will have an Oval or Elipse. Basically it is egg shaped. Some Cricket grounds are called the oval, Kennington in London & Kensingon in the West Indies, for example. Rugby balls are oval, or ovoid in shape. Most sports stadiums are 'the oval' because they are oval in shape.