48
First of all, you must have meant cubic feet (volume) not square feet.
The area of a 2 ft. diameter pipe is 2*2*Pi/4 = Pi = 3.1416 sq.ft.
The volume = area*length = 3.1416*12 = 37.6991cu.ft.
"Diameter" implies a round pipe.
153.93804 square feet.
A circle with a 27-foot diameter has an area of 572.56 square feet.
379.94 square feet
A circle with a diameter of 18 feet has an area of 254.5 square feet.
A circle with a diameter of 24 feet has an area of 452 square feet.
The square foot area of a 41-foot diameter circle is: 1,320 square feet.
A 45-foot diameter circle has an area of 1,590.4 square feet.
153.93804 square feet.
3.14159265 square feet.
The area is 3318.3 square feet, approx.
A circle with a 27-foot diameter has an area of 572.56 square feet.
8011.846665 or 8012 square feet to the nearest square foot
803.84 feet
Approx 755 square feet.
379.94 square feet
132.7 square feet.
The area of a circle with a 7-foot diameter is: 38.48 square feet.