Answer:
L = 99 square miles rounded to the nearest whole number
Step-by-step explanation:
Lateral area L = (pi)*x* r (formula from the book)
x = lateral side length, r = radius of base
...
L = [(pi)*(10.4 ] * (3)
L = 31.2 * pi
L = 98.01769 square miles.
L = 99 square miles rounded
