Question

What is parallel axis theorem, perpendicular axes theorem?

Answer 1

The theorem of parallel axes states that the moment of inertia of a rigid body about any axis is equal to its moment of inertia about a parallel axis through its centre of mass plus the product of the mass of the body and the square of the perpendicular distance between the two parallel axes.

Answer 2

$\textbf{Answer is in Attachment !}$