What is the total area in acres of a rectangular field measuring 620 feet by 1280 feet?

To determine the total area of the rectangular field in acres, you first need to calculate the area in square feet by multiplying the length by the width. In this case, the field measures 620 feet by 1280 feet.

Calculating the area:

Area (in square feet) = Length × Width = 620 feet × 1280 feet = 793,600 square feet.

Next, to convert square feet to acres, you use the conversion factor that 1 acre is equal to 43,560 square feet.

Now, divide the total area in square feet by the number of square feet per acre:

Area (in acres) = Total Area (in square feet) / 43,560 square feet per acre = 793,600 / 43,560 ≈ 18.2 acres.

This calculation confirms that the total area of the rectangular field is approximately 18.2 acres, making it the correct choice. Understanding this conversion and calculation process is crucial for anyone working in aerial application, as it allows for accurate assessments of field sizes when planning treatments or applications.