If i have a volleyball and draw a circle around the centre, then draw a line between the top of the ball and the centre and measure the two line I find that the ratio circumference of the circle to diameter of the circles is 4, thus implying that in this case pi is 4, however if I drew a circle of a different size I would get a different ratio.(adsbygoogle = window.adsbygoogle || []).push({});

Could anyone tell me if the value of pi changes in curved space, or if it is the equations that need to be updated?

Thanks in advance for your help.

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# Curved space geometry

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