Answer:
11 mm
Explanation:
Put the given numbers in the given formula and solve for the radius.
V = 1/3πr²h
968π = 1/3π·r²·24
121 = r² . . . . . . . . . . . divide by 8π
r = √121 = 11 . . . . . . take the square root
The radius of the piece is 11 mm.