A. 5,024
If the diameter is 80 feet, the radius is 40 ft.
Area of a circle = (pi)(r^2)
A = 3.14 x 40^2
A = 5,042
.1225,.12, 7/125 the other fraction equals .12
A rectangle is a parallelogram, so its opposite sides are equal. The diagonals of a rectangle are equal and bisect each other.
