For a uniform circular disc the moment of inertia about its diameter is `150gcm^(2)`. Calculate its moment of inertia about
(i) its tangent parallel to diameter.
(ii) an axis perpendicular to its plane and passing through centre.

Explanation

To solve the problem, we will break it down into two parts as specified in the question.

### Given:
- Moment of inertia about the diameter (Ix) = 150 g cm²

### Part (i): Moment of inertia about a tangent parallel to the diameter

1. **Identify the moment of inertia about the diameter (Ix)**:
...