Answer:
38.465 ft²
Step-by-step explanation:
the area of a circle can be calculated using the following formula:
[tex]A=\pi *r^2[/tex]
the radius is half of the diameter:
[tex]\frac{1}{2} *7=3.5[/tex]
[tex]\pi *3.5^2=38.465\\\pi * 12.25 = 38.465[/tex]