Why 22 7 for pi

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You should upgrade or use an alternative browser. Thread starter mathdad Start date May 4, Joined Apr 24, Messages Peterson Elite Member. Joined Nov 12, Messages 12, Pi is an irrational number, namely 3. Peterson said:. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.

Thread starter Jamali Asif Start date Jan 19, Jamali Asif New member. Joined Jan 19, Messages 4. Joined Nov 24, Messages 2, It's a simple rational approximation. The question is that why did not take value of circumference other than 22 and diameter only 7?? What is the scientific reason behind this? Joined Mar 16, Messages 2, In the good old days before calculators ie when I was at school , just about every question to do with the area or circumference of circles had circles with a radius of 7 or 14 or 21 inches.

This made calculations easy because the 7s cancelled. Who else remembers this? Romsek Senior Member. Joined Nov 16, Messages 1, Click to expand I need logical reason. I apperciat you also, but this is not logical and scientific answer. Is there a in pi? Are there any zeros in pi?

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