The value of [tex]r=8 ft[/tex]
Option (b) is correct.
It is given that area of circle is [tex]64\pi[/tex] [tex]ft^{2}[/tex]
To find the radius of the circle.
what is circle?
A circle is a round-shaped figure that has no corners or edges.
Area =[tex]\pi r^{2}[/tex]
[tex]r=\sqrt{\frac{area}{\pi }[/tex]
[tex]r=\sqrt{\frac{64\pi }{\pi } } \\[/tex]
[tex]r=8 ft[/tex]
so, value of [tex]r= 8ft[/tex]
Learn more about circle here:
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