How do you find the radius of a circle given its area of a circle is 616cm^2?

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Answer 1 · 2017-03-21T14:24:29

#r=14cm#

Area of a circle#=pir^2#

#:.pir^2=616cm^2# given

#:.r^2=616/pi#

#:.r^2=616/3.141592654#

#:.r^2=196.0788899#

#:.r=sqrt196.0788899#

#:.r=14.00281721cm#

#:.r=14cm# to the nearest cm