Answer :
Explanation
Geometry / Circles / Parts of a Circle / Circumference and Area
The circumference and area of a circle with a radius r = 3.5 ft = 7/2 ft are:
[tex]\begin{gathered} C=2\pi r=2\cdot(\frac{22}{7})\cdot(\frac{7}{2}ft)=22ft, \\ A=\pi r^2=(\frac{22}{7})\cdot(\frac{7}{2}ft)^2=\frac{77}{2}ft^2=38.5ft^2. \end{gathered}[/tex]Answer• Circumference = 22 ft
,• Area = 77/2 ft² = 38.5 ft²