Which of the following best describes what the volume of a three-dimensional object measures?

The distance around the object's base

The amount of surface the object covers

The amount of 3D space inside the object

The length of the object's longest edge

In a triangular prism, what geometric shape is considered the 'Base' (Big B) for calculating volume?

One of the two identical triangles

Putting a fence around a garden

Finding how much sand fills a sandbox

It is the longest edge of the prism.

It is the perimeter of one of the bases.

It is the area of one of the bases.

It is the perpendicular distance between the two bases.