Calculate the moment of inertia of a ring about a tangent to the circle of the ring normal to its plane.

Explanation

To calculate the moment of inertia of a ring about a tangent to the circle of the ring that is normal to its plane, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Problem**: We need to find the moment of inertia of a ring about an axis that is tangent to the ring and perpendicular to its plane.

2. **Identify the Given Data**:
- Let the mass of the ring be \( m \).
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