What brings about pie in a circle

Question by Waliyullahi Reward: 25 Pond Points + 10 Knowledge Tokens Status: Pending a resolution
What bring about pie in the circle and how did they derive its constant which is (3.142 or 22/7).



Reply from Dave User Rating:  84 Knowledge Tokens
It's spelled "pi". It's not equal to 3.142 or 22/7 but is approximated by them. It is the ratio of any circle's circumference to its diameter.
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Reply from kichu92 User Rating:  0 Knowledge Tokens
It's not pie it's pi. It is the ratio of circle's circumference to its diameter. Assuming 2r as the diameter of a circle we can derive pi as follows: diameter = 2r, circumference =2(pi)r. We know that circumference is proportional to its diameter. To replace the proportionality by equal sign we introduce a constant that's what called pi. 2(pi)r/2r =pi
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