Answer: A = 38.48 ft
Step-by-step explanation:
A = [tex]\pi (r)^2[/tex]
Diameter is 7 ft, and since radius is 1/2 of diameter this means diameter is 3.5ft.
[tex]A = \pi (3.5)^2[/tex]
[tex]A = 38.48 ft[/tex]
