dawnjurek dawnjurek 23-09-2020 Mathematics contestada QUESTION 9 The diameter of a sphere is 6 ft 6 in. Find the radius. O a. 3 ft 12 in O b. 12 ft 12 in O c. 3 ft 3 in. d. 17 ft 8 in. O e. 12 ft 3 in.