How much cardboard (surface area) is needed to create a closed box to hold 20 tennis balls. The tennis balls have a diameter of 8 cm, packed in the box as shown.

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

x/3-10=8

x/3=18

x=48

step-by-step explanation: