There are infinitely many solids and so infinitely many formulae. The question cannot be answered.
Yes, all solids have a volume.
box:length*breath*height cuboid:same as above
its volume can only be messured by displacement. it is difficult to equaly devide. it can be difficult to determine density if you are trying to determine the density of the material, not the object.
Measurements of volume for both solids and liquids involve determining the amount of space that the substance occupies. This is typically done using measuring tools such as a graduated cylinder for liquids and a ruler or geometric formulas for solids. The volume of a solid or liquid is usually expressed in cubic units such as cubic centimeters or milliliters.
the volume of them all stay the same
Solids have a definite volume and gases have a variable volume
they all contract.
All 3-dimensional solids, by definition, occupy volume.
All solids have a fixed shape unless acted upon by a force. If the temperature remains constant they have a fixed volume.
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neither the shape nor the volume
Solids have a fixed volume or shape at room temperature or pressure.