A sphere has a volume of 4571 /3 πm3. The radius is halved. a. What is the new radius? b. What is the new volume of the sphere?
+36915 volume of a sphere 4/3 pi r^3
4/3 pi r^3 = 4571 mm3
r = 10.295 mm (new radius) 1/2 r = 5.15 volume = 4/3 pi r^3 = 571.38 mm3
