Thursday, September 23, 2010

area of a circle formula


Let us learn about area of a circle formula

Area of a circle formula (A) = π.r2
Where r- is the radius of the circle
Alternate formula
A = π.d2/4 Where d- is the diameter of the circle.
In our next blog we shall learn about pteridophytes I hope the above explanation was useful.Keep reading and leave your comments.

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