Answers

2014-03-23T18:56:07+05:30
Pie=ratio of circles circumference to its diameter
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2014-03-24T11:04:28+05:30
While deriving the equation for area of sector of a circle we take angle of circle as [/tex] \pi [/tex] radians with the angle of sector as 1 radian ,that is why pi have come.

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