The correct answer to this question is this one: B. 5.89 feet
The area of a circular trampoline is 108.94 square feet. The radius of the trampoline is 5.89 feet.
For a circle,
A = (pi)r^2
108.94 ft^2 = (pi)r^2
r^2 = (108.94 ft^2)/(pi)
r = sqrt(108.94/pi) ft
r = 5. 89 ft
