Complete the paragraph. The volcano of a prism is the product of the base area and the height. The volume of a pyramid is ⅓ the volume of a prism with the same base area and height. Therefore, it takes pyramid of popcorn to fill the . The and have the same base area and height.

On the other hand, the volume of a cylinder is the product of the circular base area and the height. The volume of a cone is ⅓ the volume of a cylinder with the same base and height. Consequently, if the big gulp is the cylinder and the little gulp is the cone, it takes little Gulps to fill big gulp with the same raddi and .

The volume of a sphere with raduis is 4/3 times the cube of the . Wherefore, the sphere does not fill the whole . In fact, it's a volume is ⅔ of the volume of the . ​