1)a sphere has radius of 42 m. if the radius is divided by 6, what is the effect on the surface area? the surface area is divided by 36. the surface area is multiplied by 6. the surface area is divided by 6. the surface area is multiplied by 36 2)a sphere has diameter 16.8 cm. if the radius is multiplied by 1/4, what is the effect on the volume? the volume is multiplied by 1/4. the volume is multiplied by 1/64. the volume is multiplied by 64. the volume is multiplied by 1/16.