Properties of an Oval Shape
An oval shape has no straight sides. It has no corners or vertices like squares or rectangles. It has one flat curved face.
Does a circle has a side?
By a side of a 2D shape we mean equivalence classes of points of rank 1. There are three equivalent classes here. square has four sides and four corners, while a circle has only one side and no corners.
What does a oval look like?
An oval or ovoid is any curve that looks like an egg or an ellipse. It is not a precise term and there are many curves that get called "oval".
