A Tank on a Water Tower Is a Sphere of Radius

Multiple Choice

A tank on a water tower is a sphere of radius 65 feet. Determine the depth of the water when the tank is filled to one-fourth of its total capacity. (Note: Use the zero or root feature of a graphing utility after evaluating the definite integral.) Round your answer to two decimal places.

A) 20.66 feet
B) 54.63 feet
C) 34.67 feet
D) 42.43 feet
E) 10.36 feet