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

Bubaya asked Apr 23, 2023

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Bubaya asked Apr 23, 2023

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18 votes

Answer:

r = 2.41

r =
$\sqrt{(A)/(\pi (22/7)) }$

=
$\sqrt{(18.31)/(\pi (22/7)) }$

= 2.41

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