If the area of a square increases by 69%, then the side of the square increased by

30%

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eswar

  • Jul 24th, 2006
 

answer 30%.let the area of sqr is 100.and now it increases to 169.so side is inc by 3 means 30%

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Chandra sekhar patra

  • Jun 4th, 2014
 

A=a2
1.69A=(a+xa/100)^2
(1.3a)2=(a+xa/100)^2

x=30

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