Given:
Diameter of the circular area = 14 ft
Since the area of the grass is circular, to find the area in square feet that this sprinkler sprays with water apply the area of a circle is formula:

Where:

Take π = 3,14
Thus, we have:

Therefore, the area in square feet that this sprinkler sprays with water is 153.86 square feet
ANSWER:
B. 153.86 square feet