baidentheodore5228 baidentheodore5228

10-05-2022
Mathematics

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The area of a circle is 18.31cm2.find the length of the radius rounded to 2dp

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beinggreat78 beinggreat78

10-05-2022

Answer:

r = 2.41

r = [tex]\sqrt{\frac{A}{\pi (22/7)} }[/tex]

= [tex]\sqrt{\frac{18.31}{\pi (22/7)} }[/tex]

= 2.41

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