Percentage Side Increase

If the area of a square has increased by 60%, by what percentage has its side increased?

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levteck

  • Sep 13th, 2010
 

answer, about 26%

square of 10cm by 10cm  equal 100cm2
for it to increase by 60% then the new size is 160cm2
so each side would now be about 12.6cm  by 12.6 cm 
then each side went from 10 to 12.6cm  for an increase of about 26%

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