What formula is used to find the volume of a rectangular prism?

To find the volume of a rectangular prism, the formula used is Length x Width x Height. This formula captures the concept of volume as a measure of how much space an object occupies.

When calculating the volume, you multiply the three dimensions together: the length determines one side's extent, the width extends it perpendicular to the length, and the height adds the vertical dimension. Each multiplication step contributes to the overall capacity of the prism, resulting in the total volume.

The other options provided do not correctly represent the calculation of volume for a rectangular prism. For example, adding the dimensions together will not yield a volumetric measurement, while the option involving π is applicable only to cylinders, not rectangular prisms. The formula for perimeter is also not relevant in this context. Therefore, using the multiplication of length, width, and height is essential for correctly calculating the volume of a rectangular prism.