Assume that a grain of sand is basically a sphere, with a radius of 0.025 cm. The volume of a sphere can be found using the formula Volume of a Sphere = 4/3 πr 3 Calculate the volume of a grain ...

Similarly, he found that both of these solid models consisted of 6 cubic inches. Two in a row would had twice the volume, or 12 cubic inches. From this, he generalized that the volume of a rectangular ...