+0  
 
+1
506
3
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what is the square root of pi

 Feb 5, 2016
 #1
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0

1.7

 Feb 5, 2016
 #2
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+5

USE the calculator !

 Feb 5, 2016
 #3
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0

1.7724538509055159

 Feb 5, 2016

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