The lateral edge of the parallelepiped
A parallelepiped is a prism whose bases are parallelograms. In other words, a parallelepiped is a polyhedron with six faces. Each face is a parallelogram. The correct parallelepiped is when all its angles are 90 degrees.
.Find the side edge of a regular parallelepiped knowing the length of the edge and the diagonal
Length of the parallelepiped edge a
Length of the parallelepiped edge c
The diagonal of the parallelepiped d