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how the pie value came 22÷7

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how the pie value came 22÷7

Posted by Sanjay Mani 8 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Hans Raj 8 years, 3 months ago

pi = 3.141....

22/7 = 3.142

the difference is = 0.001...........

22/7 is > pi

pi = 22/7 is accepted all over the world (perhaps being equal upto two decimal places 3.14)

circumference / diameter = 2 x pi x r / d = 2 x pi x r / 2r = pi (as diameter = 2 x radius)

first time the ratio was calculated by Greece and denoted by the letter pi

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CBSE > Class 09 > Mathematics