Answers

2014-07-27T15:25:18+05:30
Pi is approximately 22/7 or 3.14.
Equations using Pi:
2 \pi r - to calculate the perimeter of a circle
 \pi r^2 - to calculate area of a circle.

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2014-07-27T15:25:50+05:30
Pi is a operator which equals to 22/7 which is equal to 3.14
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