thearcticfour thearcticfour

14-04-2016
Mathematics

contestada

a circle has a circumference of 28.26cm. what is the area of the circle? show work please

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Lilly55 Lilly55

19-04-2016

-circumference is equal to pi×diameter, area is equal to pi×radius^2
-28.26÷3.14=9, 9÷2=4.5, 4.5×4.5=20.25, and 20.25×3.14=63.585
-rounded to the nearest hundredth, the answer is 63.59

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