You measure its mass and volume and then density = mass/volume.
Density = Mass/Volume
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The formula for density: density = mass / volume. Volume of a cube = edge3 You could then need to find the mass of the cube and substitute the values into the density formula.
The density of any material thing is (its mass) divided by (its volume), regardless of its shape.
mass/volume=density
There is insufficient information for us to answer this question. Density = Mass / Volume. For a regular shape, the volume can be determined from a formula - which will depend on the shape. However, you still require the mass for which there is no information.
You need to find the mass and you need to find the volume. The latter may be calculated from the length of the side of the cube. Then, density = Mass/Volume in the appropriate measurement units.
Density = MASS/Volume.
Density = mass/volume for solid, liquid, or gas. It doesn't matter.
A solid cube is easy. You measure its mass and its volume. The volume of a cube is the length of a side cubed. And then density is the mass divided by the volume. The question is more difficult for a box where you need to measure the volume of the material that makes up the box. You need to measure the outside dimensions of the box and calculate the volume of the box - INCLUDING the hollow space inside it. Then you measure the inside dimensions and so calculate the volume of the space. The difference between these two is the volume of [the material of] the box. Again, the mass divided by the volume gives the density.
Use the formula:mass = volume x density