The ancientsgave pia value of 3 which is wrong but even today we do not know its exact value only that it is the circumference of a circle divided by its diameter
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When calculating the area of a circle, ancient Babylonians multiplied the square of its radius by 3. Evidence has been found which shows that ancient Babylonians later managed to narrow its value down to 3.125.
At around 1900 B.C., Egyptians estimated the value of pi to be 256/81.
22/7 or 3.142857...
actually pi existed thousands of years ago the first reference comes from the vedas which tells pi divided by ten accurately to 15 decimals. in 2500 to 3000 bc.then babylonians,egyptians,greeks,indians,e.t.c have approximately found the value of pi.archimedes told that pi lies between 3.1429 and 3.1408.aryabhata describes pi as 3.1416.indian mathematical genius ramanujam has invented a formula for pi,using this pi's value can be found correctly to billion decimals.recently in 2010 a super computer using his formula calculated pi to 10.6 trillion decimals.
If you mean "the value of pi rounded to the nearest hundredth," then: 3.14