circumference of a circle = 2*pi*radius or diameter*pi
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There cannot be such shapes.The Euler characteristic for each shape requires Faces + Vertices = Edges + 2Therefore, for 2 shapes, F + V = E + 4The equation fails in this case.There cannot be such shapes.The Euler characteristic for each shape requires Faces + Vertices = Edges + 2Therefore, for 2 shapes, F + V = E + 4The equation fails in this case.There cannot be such shapes.The Euler characteristic for each shape requires Faces + Vertices = Edges + 2Therefore, for 2 shapes, F + V = E + 4The equation fails in this case.There cannot be such shapes.The Euler characteristic for each shape requires Faces + Vertices = Edges + 2Therefore, for 2 shapes, F + V = E + 4The equation fails in this case.
There are different formulae for different shapes so you would need to specify the shape in order to get an answer.
"Oval" can be a variety of shapes. I suggest you use the equation for the area of an ellipse. Assume some convenient ratio of length-to-width.
There are infinitely many such shapes. There are infinitely many such shapes. There are infinitely many such shapes. There are infinitely many such shapes.
Organic shapes are shapes with a natural look and a flowing and curving appearance.