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63 bytes added ,  01:45, 20 June 2015
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#=Pi()*(5^2) = 78.53981634(Area of circle with r=5)
 
#=Pi()*(5^2) = 78.53981634(Area of circle with r=5)
 
#=2*Pi()*5 = 31.41592654(Circumference of a circle with r=5).
 
#=2*Pi()*5 = 31.41592654(Circumference of a circle with r=5).
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==Related Videos==
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{{#ev:youtube|jyLRpr2P0MQ|280|center|PI}}
    
==See Also==
 
==See Also==
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