A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If `'a'` be the diameter of the sircle, find the distance of centre of mass of the remainder from the centre of the circle.

Explanation

To find the distance of the center of mass of the remaining part of the circular lamina after a square hole is punched out, we can follow these steps:

### Step 1: Define the Problem
We have a circular lamina with a diameter \( a \). The radius \( r \) of the circle is given by:
\[ r = \frac{a}{2} \]
A square hole is punched out from this circular lamina, and the diagonal of the square is equal to the radius of the circle.
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