One way which will work for a convex polyhedron is to list the coordinates of each of its vertices. However, this method will not work not non-concave polyhedra of solid shapes which have one or more curved surfaces.
a math equation
A solid is a 3 dimensional object in terms of math.
The aftermath
ask your math teacher
any number at all
Somebody who has "solid math skills" is a way of saying that he can practically do math in his sleep while he's watching a movie with his eyes closed.
gaea and pandora represent math
Math
w=width
It represents a number.
a solid
Solid, liquid, gas, liquid, solid.