Respuesta :

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]