Given:
Diameter of a circle = 2 feet
To find:
The area of a circle.
Solution:
We know that, area of a circle is

Where, r is the radius of the circle.
Diameter of a circle = 2 feet
So, radius of the circle =
feet
Putting r=1 and
in the above formula, we get



Therefore, the area of the circle is 3.14 sq. feet.